Astronomy college course/Galilean moons of Jupiter/questions/Testbank

Galilean moons of Jupiter (permalink)

Galilean moons of Jupiter version B
{The mechanism that heats the cores of the Galilean moons is  } -a) radiation from the Sun and from Jupiter -b)  radioactive decay of heavy elements -c) radiation from the Sun -d)  tides from Jupiter +e) tides from the other moons and Jupiter {Which of Jupiter's moons has an anhydrous core? } +a)  Io -b)  Europa -c)  Ganymede -d) Two other answers are correct (making this the only true answer). -e)  Ganymede {How does the mass of a Galilean moon depend on its distance from the central body? } -a) the less massive moon is closer to Jupiter (always) -b)  the mass of the moons is unknown +c) the most massive moon is neither the closest nor the most distant -d)  all the moons have nearly the same mass -e) the more massive moon is closer to Jupiter (always) {Ganymede, Europa, and Io have ratios in __________ that are 1:2:4. } -a)  orbital period -b) Argon isotope abundance +c)  Two other answers are correct (making this the only true answer). -d) density -e)  rotational period {Does Jupiter's moon Io have craters? } +a) yes, from volcanoes -b)  no, the surface is too new -c) yes, from impacts -d)  no, the surface is too old -e) yes, about half from impacts and the others from volcanoes {How does the density of a Galilean moon depend on its distance from Jupiter?  } -a)  the density of the moons is unknown -b) the most dense moon is neither the closest nor the most distant -c)  all the moons have nearly the same density -d) the less dense moon is closer to Jupiter (always) +e)  the more dense moon is closer to Jupiter (always) {Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation? } -a) The different moons yielded vastly different values for the mass of Jupiter. -b)  The different moons yielded slightly different values for the mass of Jupiter. -c) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun. +d)  Only the mass of Jupiter relative to that of the Sun could be determined. -e) tides from the other moons and Jupiter.

Galilean moons of Jupiter version C
{Ganymede, Europa, and Io have ratios in __________ that are 1:2:4. } -a) rotational period -b)  Argon isotope abundance -c) orbital period +d)  Two other answers are correct (making this the only true answer). -e) density {Does Jupiter's moon Io have craters?   } -a)  no, the surface is too new -b) yes, about half from impacts and the others from volcanoes +c)  yes, from volcanoes -d) yes, from impacts -e)  no, the surface is too old {Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation? } -a) tides from the other moons and Jupiter. -b)  They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun. +c) Only the mass of Jupiter relative to that of the Sun could be determined. -d)  The different moons yielded slightly different values for the mass of Jupiter. -e) The different moons yielded vastly different values for the mass of Jupiter. {Which of Jupiter's moons has an anhydrous core? } -a)  Europa +b) Io -c)  Ganymede -d) Two other answers are correct (making this the only true answer). -e)  Ganymede {How does the mass of a Galilean moon depend on its distance from the central body? } -a) the less massive moon is closer to Jupiter (always) +b)  the most massive moon is neither the closest nor the most distant -c) all the moons have nearly the same mass -d)  the more massive moon is closer to Jupiter (always) -e) the mass of the moons is unknown {The mechanism that heats the cores of the Galilean moons is   } -a)  radiation from the Sun -b) tides from Jupiter +c)  tides from the other moons and Jupiter -d) radiation from the Sun and from Jupiter -e)  radioactive decay of heavy elements {How does the density of a Galilean moon depend on its distance from Jupiter? } -a) the density of the moons is unknown -b)  the most dense moon is neither the closest nor the most distant +c) the more dense moon is closer to Jupiter (always) -d)  the less dense moon is closer to Jupiter (always) -e) all the moons have nearly the same density

Galilean moons of Jupiter version D
{How does the density of a Galilean moon depend on its distance from Jupiter? } -a) the less dense moon is closer to Jupiter (always) +b)  the more dense moon is closer to Jupiter (always) -c) the density of the moons is unknown -d)  the most dense moon is neither the closest nor the most distant -e) all the moons have nearly the same density {Which of Jupiter's moons has an anhydrous core? } -a)  Ganymede -b) Europa -c)  Two other answers are correct (making this the only true answer). +d) Io -e)  Ganymede {Does Jupiter's moon Io have craters? } -a) no, the surface is too new +b)  yes, from volcanoes -c) yes, about half from impacts and the others from volcanoes -d)  yes, from impacts -e) no, the surface is too old {Ganymede, Europa, and Io have ratios in __________ that are 1:2:4. } -a)  density -b) rotational period +c)  Two other answers are correct (making this the only true answer). -d) Argon isotope abundance -e)  orbital period {The mechanism that heats the cores of the Galilean moons is  } -a) tides from Jupiter -b)  radiation from the Sun +c) tides from the other moons and Jupiter -d)  radiation from the Sun and from Jupiter -e) radioactive decay of heavy elements {How does the mass of a Galilean moon depend on its distance from the central body?  } +a)  the most massive moon is neither the closest nor the most distant -b) the more massive moon is closer to Jupiter (always) -c)  the less massive moon is closer to Jupiter (always) -d) the mass of the moons is unknown -e)  all the moons have nearly the same mass {Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation? } -a) tides from the other moons and Jupiter. -b)  They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun. -c) The different moons yielded vastly different values for the mass of Jupiter. +d)  Only the mass of Jupiter relative to that of the Sun could be determined. -e) The different moons yielded slightly different values for the mass of Jupiter.

Galilean moons of Jupiter version E
{Does Jupiter's moon Io have craters? } -a) no, the surface is too old -b)  yes, about half from impacts and the others from volcanoes -c) yes, from impacts +d)  yes, from volcanoes -e) no, the surface is too new {How does the mass of a Galilean moon depend on its distance from the central body?  } -a)  the more massive moon is closer to Jupiter (always) -b) all the moons have nearly the same mass +c)  the most massive moon is neither the closest nor the most distant -d) the less massive moon is closer to Jupiter (always) -e)  the mass of the moons is unknown {Ganymede, Europa, and Io have ratios in __________ that are 1:2:4. } -a) Argon isotope abundance -b)  orbital period +c) Two other answers are correct (making this the only true answer). -d)  rotational period -e) density {Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter.  What important caveat applied to this calculation?   } -a)  The different moons yielded vastly different values for the mass of Jupiter. +b) Only the mass of Jupiter relative to that of the Sun could be determined. -c)  tides from the other moons and Jupiter. -d) The different moons yielded slightly different values for the mass of Jupiter. -e)  They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun. {The mechanism that heats the cores of the Galilean moons is  } -a) radiation from the Sun and from Jupiter -b)  radiation from the Sun +c) tides from the other moons and Jupiter -d)  tides from Jupiter -e) radioactive decay of heavy elements {How does the density of a Galilean moon depend on its distance from Jupiter?  } -a)  the density of the moons is unknown +b) the more dense moon is closer to Jupiter (always) -c)  all the moons have nearly the same density -d) the most dense moon is neither the closest nor the most distant -e)  the less dense moon is closer to Jupiter (always) {Which of Jupiter's moons has an anhydrous core? } +a) Io -b)  Ganymede -c) Two other answers are correct (making this the only true answer). -d)  Ganymede -e) Europa

Galilean moons of Jupiter version F
{How does the density of a Galilean moon depend on its distance from Jupiter? } -a) the less dense moon is closer to Jupiter (always) +b)  the more dense moon is closer to Jupiter (always) -c) the density of the moons is unknown -d)  the most dense moon is neither the closest nor the most distant -e) all the moons have nearly the same density {The mechanism that heats the cores of the Galilean moons is   } +a)  tides from the other moons and Jupiter -b) tides from Jupiter -c)  radiation from the Sun and from Jupiter -d) radiation from the Sun -e)  radioactive decay of heavy elements {Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation? } -a) The different moons yielded vastly different values for the mass of Jupiter. -b)  They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun. -c) tides from the other moons and Jupiter. +d)  Only the mass of Jupiter relative to that of the Sun could be determined. -e) The different moons yielded slightly different values for the mass of Jupiter. {Which of Jupiter's moons has an anhydrous core? } -a)  Europa -b) Ganymede +c)  Io -d)  Ganymede -e)  Two other answers are correct (making this the only true answer). {How does the mass of a Galilean moon depend on its distance from the central body? } -a) all the moons have nearly the same mass -b)  the more massive moon is closer to Jupiter (always) -c) the less massive moon is closer to Jupiter (always) -d)  the mass of the moons is unknown +e) the most massive moon is neither the closest nor the most distant {Ganymede, Europa, and Io have ratios in __________ that are 1:2:4. } -a)  density -b) Argon isotope abundance -c)  orbital period -d) rotational period +e)  Two other answers are correct (making this the only true answer). {Does Jupiter's moon Io have craters? } +a) yes, from volcanoes -b)  no, the surface is too old -c) yes, from impacts -d)  yes, about half from impacts and the others from volcanoes -e) no, the surface is too new

Galilean moons of Jupiter version G
{Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation? } -a) tides from the other moons and Jupiter. -b)  The different moons yielded slightly different values for the mass of Jupiter. -c) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun. -d)  The different moons yielded vastly different values for the mass of Jupiter. +e) Only the mass of Jupiter relative to that of the Sun could be determined. {Which of Jupiter's moons has an anhydrous core? } -a)  Ganymede +b) Io -c)  Ganymede -d) Two other answers are correct (making this the only true answer). -e)  Europa {How does the density of a Galilean moon depend on its distance from Jupiter? } -a) the less dense moon is closer to Jupiter (always) -b)  the most dense moon is neither the closest nor the most distant +c) the more dense moon is closer to Jupiter (always) -d)  the density of the moons is unknown -e) all the moons have nearly the same density {Does Jupiter's moon Io have craters?   } +a)  yes, from volcanoes -b) no, the surface is too new -c)  yes, about half from impacts and the others from volcanoes -d) no, the surface is too old -e)  yes, from impacts {Ganymede, Europa, and Io have ratios in __________ that are 1:2:4. } -a) rotational period -b)  density -c) orbital period +d)  Two other answers are correct (making this the only true answer). -e) Argon isotope abundance {How does the mass of a Galilean moon depend on its distance from the central body?  } +a)  the most massive moon is neither the closest nor the most distant -b) the less massive moon is closer to Jupiter (always) -c)  the more massive moon is closer to Jupiter (always) -d) all the moons have nearly the same mass -e)  the mass of the moons is unknown {The mechanism that heats the cores of the Galilean moons is  } +a) tides from the other moons and Jupiter -b)  tides from Jupiter -c) radiation from the Sun -d)  radiation from the Sun and from Jupiter -e) radioactive decay of heavy elements

Galilean moons of Jupiter version H
{Does Jupiter's moon Io have craters? } -a) yes, about half from impacts and the others from volcanoes -b)  no, the surface is too new -c) yes, from impacts -d)  no, the surface is too old +e) yes, from volcanoes {How does the mass of a Galilean moon depend on its distance from the central body?  } -a)  all the moons have nearly the same mass +b) the most massive moon is neither the closest nor the most distant -c)  the more massive moon is closer to Jupiter (always) -d) the mass of the moons is unknown -e)  the less massive moon is closer to Jupiter (always) {Which of Jupiter's moons has an anhydrous core? } +a) Io -b)  Ganymede -c) Two other answers are correct (making this the only true answer). -d)  Europa -e) Ganymede {How does the density of a Galilean moon depend on its distance from Jupiter?  } -a)  the less dense moon is closer to Jupiter (always) +b) the more dense moon is closer to Jupiter (always) -c)  the most dense moon is neither the closest nor the most distant -d) all the moons have nearly the same density -e)  the density of the moons is unknown {The mechanism that heats the cores of the Galilean moons is  } -a) radiation from the Sun and from Jupiter -b)  radioactive decay of heavy elements -c) tides from Jupiter -d)  radiation from the Sun +e) tides from the other moons and Jupiter {Ganymede, Europa, and Io have ratios in __________ that are 1:2:4. } -a)  density +b) Two other answers are correct (making this the only true answer). -c)  orbital period -d) rotational period -e)  Argon isotope abundance {Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation? } +a) Only the mass of Jupiter relative to that of the Sun could be determined. -b)  The different moons yielded vastly different values for the mass of Jupiter. -c) The different moons yielded slightly different values for the mass of Jupiter. -d)  They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun. -e) tides from the other moons and Jupiter.

Galilean moons of Jupiter version I
{How does the density of a Galilean moon depend on its distance from Jupiter? } -a) all the moons have nearly the same density -b)  the most dense moon is neither the closest nor the most distant +c) the more dense moon is closer to Jupiter (always) -d)  the density of the moons is unknown -e) the less dense moon is closer to Jupiter (always) {Which of Jupiter's moons has an anhydrous core? } -a)  Ganymede -b) Europa -c)  Two other answers are correct (making this the only true answer). +d) Io -e)  Ganymede {The mechanism that heats the cores of the Galilean moons is  } +a) tides from the other moons and Jupiter -b)  radiation from the Sun and from Jupiter -c) radioactive decay of heavy elements -d)  tides from Jupiter -e) radiation from the Sun {How does the mass of a Galilean moon depend on its distance from the central body?  } -a)  all the moons have nearly the same mass -b) the less massive moon is closer to Jupiter (always) -c)  the mass of the moons is unknown +d) the most massive moon is neither the closest nor the most distant -e)  the more massive moon is closer to Jupiter (always) {Ganymede, Europa, and Io have ratios in __________ that are 1:2:4. } -a) rotational period -b)  Argon isotope abundance -c) density -d)  orbital period +e) Two other answers are correct (making this the only true answer). {Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter.  What important caveat applied to this calculation?   } -a)  tides from the other moons and Jupiter. -b) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun. +c)  Only the mass of Jupiter relative to that of the Sun could be determined. -d) The different moons yielded slightly different values for the mass of Jupiter. -e)  The different moons yielded vastly different values for the mass of Jupiter. {Does Jupiter's moon Io have craters? } +a) yes, from volcanoes -b)  no, the surface is too new -c) yes, from impacts -d)  no, the surface is too old -e) yes, about half from impacts and the others from volcanoes

Galilean moons of Jupiter version J
{How does the density of a Galilean moon depend on its distance from Jupiter? } -a) the less dense moon is closer to Jupiter (always) -b)  all the moons have nearly the same density -c) the most dense moon is neither the closest nor the most distant +d)  the more dense moon is closer to Jupiter (always) -e) the density of the moons is unknown {Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter.  What important caveat applied to this calculation?   } -a)  They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun. +b) Only the mass of Jupiter relative to that of the Sun could be determined. -c)  The different moons yielded slightly different values for the mass of Jupiter. -d) The different moons yielded vastly different values for the mass of Jupiter. -e)  tides from the other moons and Jupiter. {Ganymede, Europa, and Io have ratios in __________ that are 1:2:4. } -a) rotational period -b)  orbital period -c) density +d)  Two other answers are correct (making this the only true answer). -e) Argon isotope abundance {Does Jupiter's moon Io have craters?   } -a)  yes, from impacts -b) no, the surface is too new -c)  yes, about half from impacts and the others from volcanoes -d) no, the surface is too old +e)  yes, from volcanoes {How does the mass of a Galilean moon depend on its distance from the central body? } -a) the more massive moon is closer to Jupiter (always) -b)  all the moons have nearly the same mass +c) the most massive moon is neither the closest nor the most distant -d)  the mass of the moons is unknown -e) the less massive moon is closer to Jupiter (always) {Which of Jupiter's moons has an anhydrous core? } +a)  Io -b)  Ganymede -c)  Ganymede -d) Two other answers are correct (making this the only true answer). -e)  Europa {The mechanism that heats the cores of the Galilean moons is  } -a) radiation from the Sun and from Jupiter -b)  radioactive decay of heavy elements -c) radiation from the Sun -d)  tides from Jupiter +e) tides from the other moons and Jupiter

Galilean moons of Jupiter version K
{Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation? } -a) tides from the other moons and Jupiter. -b)  The different moons yielded slightly different values for the mass of Jupiter. +c) Only the mass of Jupiter relative to that of the Sun could be determined. -d)  The different moons yielded vastly different values for the mass of Jupiter. -e) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun. {How does the density of a Galilean moon depend on its distance from Jupiter?  } +a)  the more dense moon is closer to Jupiter (always) -b) the most dense moon is neither the closest nor the most distant -c)  the density of the moons is unknown -d) all the moons have nearly the same density -e)  the less dense moon is closer to Jupiter (always) {How does the mass of a Galilean moon depend on its distance from the central body? } -a) the more massive moon is closer to Jupiter (always) +b)  the most massive moon is neither the closest nor the most distant -c) the mass of the moons is unknown -d)  the less massive moon is closer to Jupiter (always) -e) all the moons have nearly the same mass {Which of Jupiter's moons has an anhydrous core? } -a)  Ganymede -b) Ganymede -c)  Two other answers are correct (making this the only true answer). -d) Europa +e)  Io {The mechanism that heats the cores of the Galilean moons is   } -a) radiation from the Sun +b)  tides from the other moons and Jupiter -c) radiation from the Sun and from Jupiter -d)  radioactive decay of heavy elements -e) tides from Jupiter {Ganymede, Europa, and Io have ratios in __________ that are 1:2:4. } -a)  rotational period -b) orbital period -c)  Argon isotope abundance -d) density +e)  Two other answers are correct (making this the only true answer). {Does Jupiter's moon Io have craters? } -a) yes, about half from impacts and the others from volcanoes +b)  yes, from volcanoes -c) no, the surface is too new -d)  no, the surface is too old -e) yes, from impacts

Galilean moons of Jupiter version L
{How does the density of a Galilean moon depend on its distance from Jupiter? } -a) all the moons have nearly the same density -b)  the less dense moon is closer to Jupiter (always) -c) the most dense moon is neither the closest nor the most distant +d)  the more dense moon is closer to Jupiter (always) -e) the density of the moons is unknown {How does the mass of a Galilean moon depend on its distance from the central body?  } +a)  the most massive moon is neither the closest nor the most distant -b) all the moons have nearly the same mass -c)  the mass of the moons is unknown -d) the less massive moon is closer to Jupiter (always) -e)  the more massive moon is closer to Jupiter (always) {Which of Jupiter's moons has an anhydrous core? } -a) Ganymede +b)  Io -c)  Ganymede -d)  Two other answers are correct (making this the only true answer). -e) Europa {The mechanism that heats the cores of the Galilean moons is   } -a)  tides from Jupiter +b) tides from the other moons and Jupiter -c)  radioactive decay of heavy elements -d) radiation from the Sun and from Jupiter -e)  radiation from the Sun {Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation? } -a) The different moons yielded vastly different values for the mass of Jupiter. -b)  They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun. -c) tides from the other moons and Jupiter. +d)  Only the mass of Jupiter relative to that of the Sun could be determined. -e) The different moons yielded slightly different values for the mass of Jupiter. {Ganymede, Europa, and Io have ratios in __________ that are 1:2:4. } -a)  rotational period +b) Two other answers are correct (making this the only true answer). -c)  orbital period -d) density -e)  Argon isotope abundance {Does Jupiter's moon Io have craters? } -a) yes, about half from impacts and the others from volcanoes -b)  yes, from impacts -c) no, the surface is too new -d)  no, the surface is too old +e) yes, from volcanoes

Galilean moons of Jupiter version M
{The mechanism that heats the cores of the Galilean moons is  } -a) radioactive decay of heavy elements +b)  tides from the other moons and Jupiter -c) tides from Jupiter -d)  radiation from the Sun -e) radiation from the Sun and from Jupiter {Ganymede, Europa, and Io have ratios in __________ that are 1:2:4. } -a)  rotational period -b) density -c)  orbital period +d) Two other answers are correct (making this the only true answer). -e)  Argon isotope abundance {Does Jupiter's moon Io have craters? } -a) no, the surface is too old +b)  yes, from volcanoes -c) yes, from impacts -d)  yes, about half from impacts and the others from volcanoes -e) no, the surface is too new {Which of Jupiter's moons has an anhydrous core? } +a)  Io -b)  Europa -c)  Ganymede -d) Ganymede -e)  Two other answers are correct (making this the only true answer). {How does the density of a Galilean moon depend on its distance from Jupiter? } -a) all the moons have nearly the same density +b)  the more dense moon is closer to Jupiter (always) -c) the less dense moon is closer to Jupiter (always) -d)  the most dense moon is neither the closest nor the most distant -e) the density of the moons is unknown {Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter.  What important caveat applied to this calculation?   } +a)  Only the mass of Jupiter relative to that of the Sun could be determined. -b) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun. -c)  The different moons yielded slightly different values for the mass of Jupiter. -d) The different moons yielded vastly different values for the mass of Jupiter. -e)  tides from the other moons and Jupiter. {How does the mass of a Galilean moon depend on its distance from the central body? } -a) the more massive moon is closer to Jupiter (always) -b)  all the moons have nearly the same mass -c) the less massive moon is closer to Jupiter (always) +d)  the most massive moon is neither the closest nor the most distant -e) the mass of the moons is unknown

Galilean moons of Jupiter version N
{How does the density of a Galilean moon depend on its distance from Jupiter? } -a) the most dense moon is neither the closest nor the most distant +b)  the more dense moon is closer to Jupiter (always) -c) the density of the moons is unknown -d)  the less dense moon is closer to Jupiter (always) -e) all the moons have nearly the same density {Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter.  What important caveat applied to this calculation?   } -a)  The different moons yielded slightly different values for the mass of Jupiter. -b) tides from the other moons and Jupiter. -c)  The different moons yielded vastly different values for the mass of Jupiter. -d) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun. +e)  Only the mass of Jupiter relative to that of the Sun could be determined. {How does the mass of a Galilean moon depend on its distance from the central body? } -a) the mass of the moons is unknown -b)  all the moons have nearly the same mass +c) the most massive moon is neither the closest nor the most distant -d)  the less massive moon is closer to Jupiter (always) -e) the more massive moon is closer to Jupiter (always) {Which of Jupiter's moons has an anhydrous core? } -a)  Two other answers are correct (making this the only true answer). -b) Europa -c)  Ganymede -d) Ganymede +e)  Io {Ganymede, Europa, and Io have ratios in __________ that are 1:2:4. } -a) orbital period -b)  density -c) Argon isotope abundance -d)  rotational period +e) Two other answers are correct (making this the only true answer). {The mechanism that heats the cores of the Galilean moons is   } -a)  radioactive decay of heavy elements -b) radiation from the Sun -c)  tides from Jupiter -d) radiation from the Sun and from Jupiter +e)  tides from the other moons and Jupiter {Does Jupiter's moon Io have craters? } -a) yes, from impacts -b)  no, the surface is too old -c) yes, about half from impacts and the others from volcanoes +d)  yes, from volcanoes -e) no, the surface is too new

Galilean moons of Jupiter version O
{Which of Jupiter's moons has an anhydrous core? } -a) Europa -b)  Ganymede -c) Two other answers are correct (making this the only true answer). -d)  Ganymede +e) Io {How does the density of a Galilean moon depend on its distance from Jupiter?  } -a)  the less dense moon is closer to Jupiter (always) +b) the more dense moon is closer to Jupiter (always) -c)  the density of the moons is unknown -d) the most dense moon is neither the closest nor the most distant -e)  all the moons have nearly the same density {How does the mass of a Galilean moon depend on its distance from the central body? } -a) the more massive moon is closer to Jupiter (always) -b)  all the moons have nearly the same mass +c) the most massive moon is neither the closest nor the most distant -d)  the mass of the moons is unknown -e) the less massive moon is closer to Jupiter (always) {The mechanism that heats the cores of the Galilean moons is   } -a)  tides from Jupiter +b) tides from the other moons and Jupiter -c)  radiation from the Sun and from Jupiter -d) radiation from the Sun -e)  radioactive decay of heavy elements {Ganymede, Europa, and Io have ratios in __________ that are 1:2:4. } -a) orbital period +b)  Two other answers are correct (making this the only true answer). -c) density -d)  Argon isotope abundance -e) rotational period {Does Jupiter's moon Io have craters?   } +a)  yes, from volcanoes -b) yes, from impacts -c)  no, the surface is too new -d) no, the surface is too old -e)  yes, about half from impacts and the others from volcanoes {Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation? } -a) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun. -b)  The different moons yielded slightly different values for the mass of Jupiter. -c) tides from the other moons and Jupiter. +d)  Only the mass of Jupiter relative to that of the Sun could be determined. -e) The different moons yielded vastly different values for the mass of Jupiter.

Galilean moons of Jupiter version P
{Which of Jupiter's moons has an anhydrous core? } -a) Ganymede -b)  Europa -c) Two other answers are correct (making this the only true answer). +d)  Io -e)  Ganymede {Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter.  What important caveat applied to this calculation?   } +a)  Only the mass of Jupiter relative to that of the Sun could be determined. -b) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun. -c)  tides from the other moons and Jupiter. -d) The different moons yielded vastly different values for the mass of Jupiter. -e)  The different moons yielded slightly different values for the mass of Jupiter. {Does Jupiter's moon Io have craters? } -a) no, the surface is too new -b)  yes, from impacts +c) yes, from volcanoes -d)  no, the surface is too old -e) yes, about half from impacts and the others from volcanoes {How does the density of a Galilean moon depend on its distance from Jupiter?  } -a)  the most dense moon is neither the closest nor the most distant -b) the less dense moon is closer to Jupiter (always) +c)  the more dense moon is closer to Jupiter (always) -d) all the moons have nearly the same density -e)  the density of the moons is unknown {How does the mass of a Galilean moon depend on its distance from the central body? } -a) all the moons have nearly the same mass +b)  the most massive moon is neither the closest nor the most distant -c) the more massive moon is closer to Jupiter (always) -d)  the less massive moon is closer to Jupiter (always) -e) the mass of the moons is unknown {The mechanism that heats the cores of the Galilean moons is   } -a)  radiation from the Sun and from Jupiter -b) radioactive decay of heavy elements -c)  tides from Jupiter +d) tides from the other moons and Jupiter -e)  radiation from the Sun {Ganymede, Europa, and Io have ratios in __________ that are 1:2:4. } -a) Argon isotope abundance -b)  density -c) rotational period -d)  orbital period +e) Two other answers are correct (making this the only true answer).

Galilean moons of Jupiter version Q
{How does the mass of a Galilean moon depend on its distance from the central body? } -a) all the moons have nearly the same mass -b)  the mass of the moons is unknown -c) the less massive moon is closer to Jupiter (always) -d)  the more massive moon is closer to Jupiter (always) +e) the most massive moon is neither the closest nor the most distant {Ganymede, Europa, and Io have ratios in __________ that are 1:2:4. } +a)  Two other answers are correct (making this the only true answer). -b) Argon isotope abundance -c)  density -d) orbital period -e)  rotational period {How does the density of a Galilean moon depend on its distance from Jupiter? } +a) the more dense moon is closer to Jupiter (always) -b)  the density of the moons is unknown -c) the most dense moon is neither the closest nor the most distant -d)  all the moons have nearly the same density -e) the less dense moon is closer to Jupiter (always) {The mechanism that heats the cores of the Galilean moons is   } -a)  radiation from the Sun -b) tides from Jupiter -c)  radioactive decay of heavy elements -d) radiation from the Sun and from Jupiter +e)  tides from the other moons and Jupiter {Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation? } -a) tides from the other moons and Jupiter. +b)  Only the mass of Jupiter relative to that of the Sun could be determined. -c) The different moons yielded vastly different values for the mass of Jupiter. -d)  The different moons yielded slightly different values for the mass of Jupiter. -e) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun. {Which of Jupiter's moons has an anhydrous core? } -a)  Europa -b) Two other answers are correct (making this the only true answer). +c)  Io -d)  Ganymede -e)  Ganymede {Does Jupiter's moon Io have craters? } -a) no, the surface is too new -b)  yes, about half from impacts and the others from volcanoes +c) yes, from volcanoes -d)  yes, from impacts -e) no, the surface is too old

Galilean moons of Jupiter version R
{Ganymede, Europa, and Io have ratios in __________ that are 1:2:4. } +a) Two other answers are correct (making this the only true answer). -b)  rotational period -c) density -d)  orbital period -e) Argon isotope abundance {The mechanism that heats the cores of the Galilean moons is   } -a)  radioactive decay of heavy elements -b) radiation from the Sun and from Jupiter -c)  radiation from the Sun +d) tides from the other moons and Jupiter -e)  tides from Jupiter {How does the density of a Galilean moon depend on its distance from Jupiter? } -a) the most dense moon is neither the closest nor the most distant -b)  the density of the moons is unknown +c) the more dense moon is closer to Jupiter (always) -d)  the less dense moon is closer to Jupiter (always) -e) all the moons have nearly the same density {How does the mass of a Galilean moon depend on its distance from the central body?  } -a)  all the moons have nearly the same mass -b) the less massive moon is closer to Jupiter (always) -c)  the mass of the moons is unknown -d) the more massive moon is closer to Jupiter (always) +e)  the most massive moon is neither the closest nor the most distant {Which of Jupiter's moons has an anhydrous core? } -a) Ganymede -b)  Ganymede -c) Two other answers are correct (making this the only true answer). -d)  Europa +e) Io {Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter.  What important caveat applied to this calculation?   } -a)  They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun. -b) tides from the other moons and Jupiter. +c)  Only the mass of Jupiter relative to that of the Sun could be determined. -d) The different moons yielded slightly different values for the mass of Jupiter. -e)  The different moons yielded vastly different values for the mass of Jupiter. {Does Jupiter's moon Io have craters? } -a) yes, from impacts -b)  no, the surface is too new -c) no, the surface is too old -d)  yes, about half from impacts and the others from volcanoes +e) yes, from volcanoes

Galilean moons of Jupiter version S
{Ganymede, Europa, and Io have ratios in __________ that are 1:2:4. } -a) rotational period -b)  density -c) orbital period +d)  Two other answers are correct (making this the only true answer). -e) Argon isotope abundance {Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter.  What important caveat applied to this calculation?   } +a)  Only the mass of Jupiter relative to that of the Sun could be determined. -b) The different moons yielded slightly different values for the mass of Jupiter. -c)  tides from the other moons and Jupiter. -d) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun. -e)  The different moons yielded vastly different values for the mass of Jupiter. {The mechanism that heats the cores of the Galilean moons is  } -a) radiation from the Sun and from Jupiter -b)  tides from Jupiter +c) tides from the other moons and Jupiter -d)  radioactive decay of heavy elements -e) radiation from the Sun {Which of Jupiter's moons has an anhydrous core? } -a)  Ganymede -b) Two other answers are correct (making this the only true answer). -c)  Europa +d) Io -e)  Ganymede {How does the density of a Galilean moon depend on its distance from Jupiter? } -a) the less dense moon is closer to Jupiter (always) -b)  all the moons have nearly the same density +c) the more dense moon is closer to Jupiter (always) -d)  the density of the moons is unknown -e) the most dense moon is neither the closest nor the most distant {How does the mass of a Galilean moon depend on its distance from the central body?  } -a)  the more massive moon is closer to Jupiter (always) -b) the less massive moon is closer to Jupiter (always) -c)  all the moons have nearly the same mass +d) the most massive moon is neither the closest nor the most distant -e)  the mass of the moons is unknown {Does Jupiter's moon Io have craters? } +a) yes, from volcanoes -b)  no, the surface is too old -c) yes, about half from impacts and the others from volcanoes -d)  no, the surface is too new -e) yes, from impacts

Galilean moons of Jupiter version T
{Which of Jupiter's moons has an anhydrous core? } +a) Io -b)  Two other answers are correct (making this the only true answer). -c) Ganymede -d)  Ganymede -e) Europa {Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter.  What important caveat applied to this calculation?   } -a)  The different moons yielded vastly different values for the mass of Jupiter. +b) Only the mass of Jupiter relative to that of the Sun could be determined. -c)  tides from the other moons and Jupiter. -d) The different moons yielded slightly different values for the mass of Jupiter. -e)  They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun. {Does Jupiter's moon Io have craters? } -a) no, the surface is too old -b)  yes, from impacts +c) yes, from volcanoes -d)  yes, about half from impacts and the others from volcanoes -e) no, the surface is too new {How does the density of a Galilean moon depend on its distance from Jupiter?  } -a)  the less dense moon is closer to Jupiter (always) -b) the most dense moon is neither the closest nor the most distant +c)  the more dense moon is closer to Jupiter (always) -d) all the moons have nearly the same density -e)  the density of the moons is unknown {How does the mass of a Galilean moon depend on its distance from the central body? } -a) the mass of the moons is unknown -b)  all the moons have nearly the same mass +c) the most massive moon is neither the closest nor the most distant -d)  the less massive moon is closer to Jupiter (always) -e) the more massive moon is closer to Jupiter (always) {The mechanism that heats the cores of the Galilean moons is   } +a)  tides from the other moons and Jupiter -b) radiation from the Sun and from Jupiter -c)  radioactive decay of heavy elements -d) tides from Jupiter -e)  radiation from the Sun {Ganymede, Europa, and Io have ratios in __________ that are 1:2:4. } +a) Two other answers are correct (making this the only true answer). -b)  orbital period -c) rotational period -d)  Argon isotope abundance -e) density

Galilean moons of Jupiter version U
{Ganymede, Europa, and Io have ratios in __________ that are 1:2:4. } +a) Two other answers are correct (making this the only true answer). -b)  Argon isotope abundance -c) density -d)  orbital period -e) rotational period {Which of Jupiter's moons has an anhydrous core? } -a)  Ganymede -b) Europa +c)  Io -d)  Ganymede -e)  Two other answers are correct (making this the only true answer). {Does Jupiter's moon Io have craters? } -a) yes, from impacts -b)  no, the surface is too new -c) yes, about half from impacts and the others from volcanoes -d)  no, the surface is too old +e) yes, from volcanoes {How does the mass of a Galilean moon depend on its distance from the central body?  } -a)  the less massive moon is closer to Jupiter (always) -b) all the moons have nearly the same mass +c)  the most massive moon is neither the closest nor the most distant -d) the mass of the moons is unknown -e)  the more massive moon is closer to Jupiter (always) {The mechanism that heats the cores of the Galilean moons is  } -a) tides from Jupiter -b)  radiation from the Sun and from Jupiter +c) tides from the other moons and Jupiter -d)  radioactive decay of heavy elements -e) radiation from the Sun {Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter.  What important caveat applied to this calculation?   } -a)  The different moons yielded vastly different values for the mass of Jupiter. +b) Only the mass of Jupiter relative to that of the Sun could be determined. -c)  They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun. -d) The different moons yielded slightly different values for the mass of Jupiter. -e)  tides from the other moons and Jupiter. {How does the density of a Galilean moon depend on its distance from Jupiter? } +a) the more dense moon is closer to Jupiter (always) -b)  the less dense moon is closer to Jupiter (always) -c) the most dense moon is neither the closest nor the most distant -d)  all the moons have nearly the same density -e) the density of the moons is unknown

Galilean moons of Jupiter version V
{Does Jupiter's moon Io have craters? } -a) no, the surface is too new -b)  yes, from impacts +c) yes, from volcanoes -d)  no, the surface is too old -e) yes, about half from impacts and the others from volcanoes {Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter.  What important caveat applied to this calculation?   } +a)  Only the mass of Jupiter relative to that of the Sun could be determined. -b) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun. -c)  The different moons yielded vastly different values for the mass of Jupiter. -d) The different moons yielded slightly different values for the mass of Jupiter. -e)  tides from the other moons and Jupiter. {Ganymede, Europa, and Io have ratios in __________ that are 1:2:4. } +a) Two other answers are correct (making this the only true answer). -b)  Argon isotope abundance -c) rotational period -d)  orbital period -e) density {Which of Jupiter's moons has an anhydrous core? } -a)  Europa -b) Ganymede -c)  Two other answers are correct (making this the only true answer). +d) Io -e)  Ganymede {How does the mass of a Galilean moon depend on its distance from the central body? } -a) the less massive moon is closer to Jupiter (always) -b)  all the moons have nearly the same mass -c) the more massive moon is closer to Jupiter (always) +d)  the most massive moon is neither the closest nor the most distant -e) the mass of the moons is unknown {The mechanism that heats the cores of the Galilean moons is   } -a)  tides from Jupiter -b) radiation from the Sun -c)  radiation from the Sun and from Jupiter +d) tides from the other moons and Jupiter -e)  radioactive decay of heavy elements {How does the density of a Galilean moon depend on its distance from Jupiter? } -a) the less dense moon is closer to Jupiter (always) -b)  the most dense moon is neither the closest nor the most distant +c) the more dense moon is closer to Jupiter (always) -d)  the density of the moons is unknown -e) all the moons have nearly the same density

Galilean moons of Jupiter version W
{Which of Jupiter's moons has an anhydrous core? } +a) Io -b)  Ganymede -c) Europa -d)  Ganymede -e) Two other answers are correct (making this the only true answer). {Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter.  What important caveat applied to this calculation?   } +a)  Only the mass of Jupiter relative to that of the Sun could be determined. -b) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun. -c)  The different moons yielded slightly different values for the mass of Jupiter. -d) tides from the other moons and Jupiter. -e)  The different moons yielded vastly different values for the mass of Jupiter. {Ganymede, Europa, and Io have ratios in __________ that are 1:2:4. } -a) density -b)  rotational period -c) Argon isotope abundance +d)  Two other answers are correct (making this the only true answer). -e) orbital period {How does the mass of a Galilean moon depend on its distance from the central body?  } -a)  the more massive moon is closer to Jupiter (always) -b) all the moons have nearly the same mass +c)  the most massive moon is neither the closest nor the most distant -d) the less massive moon is closer to Jupiter (always) -e)  the mass of the moons is unknown {How does the density of a Galilean moon depend on its distance from Jupiter? } -a) the density of the moons is unknown -b)  the most dense moon is neither the closest nor the most distant +c) the more dense moon is closer to Jupiter (always) -d)  all the moons have nearly the same density -e) the less dense moon is closer to Jupiter (always) {The mechanism that heats the cores of the Galilean moons is   } -a)  tides from Jupiter +b) tides from the other moons and Jupiter -c)  radiation from the Sun -d) radioactive decay of heavy elements -e)  radiation from the Sun and from Jupiter {Does Jupiter's moon Io have craters? } -a) no, the surface is too new -b)  no, the surface is too old -c) yes, about half from impacts and the others from volcanoes -d)  yes, from impacts +e) yes, from volcanoes

Galilean moons of Jupiter version X
{Which of Jupiter's moons has an anhydrous core? } -a) Europa +b)  Io -c)  Two other answers are correct (making this the only true answer). -d)  Ganymede -e) Ganymede {Does Jupiter's moon Io have craters?   } -a)  no, the surface is too new +b) yes, from volcanoes -c)  yes, about half from impacts and the others from volcanoes -d) no, the surface is too old -e)  yes, from impacts {Ganymede, Europa, and Io have ratios in __________ that are 1:2:4. } -a) density -b)  rotational period -c) orbital period +d)  Two other answers are correct (making this the only true answer). -e) Argon isotope abundance {The mechanism that heats the cores of the Galilean moons is   } -a)  radiation from the Sun -b) radioactive decay of heavy elements -c)  tides from Jupiter +d) tides from the other moons and Jupiter -e)  radiation from the Sun and from Jupiter {How does the mass of a Galilean moon depend on its distance from the central body? } -a) the mass of the moons is unknown +b)  the most massive moon is neither the closest nor the most distant -c) the less massive moon is closer to Jupiter (always) -d)  all the moons have nearly the same mass -e) the more massive moon is closer to Jupiter (always) {Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter.  What important caveat applied to this calculation?   } -a)  tides from the other moons and Jupiter. +b) Only the mass of Jupiter relative to that of the Sun could be determined. -c)  They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun. -d) The different moons yielded vastly different values for the mass of Jupiter. -e)  The different moons yielded slightly different values for the mass of Jupiter. {How does the density of a Galilean moon depend on its distance from Jupiter? } -a) all the moons have nearly the same density -b)  the most dense moon is neither the closest nor the most distant +c) the more dense moon is closer to Jupiter (always) -d)  the density of the moons is unknown -e) the less dense moon is closer to Jupiter (always)

Galilean moons of Jupiter version Y
{Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation? } -a) tides from the other moons and Jupiter. -b)  They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun. +c) Only the mass of Jupiter relative to that of the Sun could be determined. -d)  The different moons yielded slightly different values for the mass of Jupiter. -e) The different moons yielded vastly different values for the mass of Jupiter. {Does Jupiter's moon Io have craters?   } -a)  yes, about half from impacts and the others from volcanoes -b) no, the surface is too old -c)  yes, from impacts +d) yes, from volcanoes -e)  no, the surface is too new {The mechanism that heats the cores of the Galilean moons is  } -a) radioactive decay of heavy elements -b)  radiation from the Sun -c) radiation from the Sun and from Jupiter +d)  tides from the other moons and Jupiter -e) tides from Jupiter {How does the mass of a Galilean moon depend on its distance from the central body?  } -a)  the mass of the moons is unknown -b) the less massive moon is closer to Jupiter (always) +c)  the most massive moon is neither the closest nor the most distant -d) the more massive moon is closer to Jupiter (always) -e)  all the moons have nearly the same mass {How does the density of a Galilean moon depend on its distance from Jupiter? } -a) the density of the moons is unknown -b)  the most dense moon is neither the closest nor the most distant +c) the more dense moon is closer to Jupiter (always) -d)  the less dense moon is closer to Jupiter (always) -e) all the moons have nearly the same density {Which of Jupiter's moons has an anhydrous core? } -a)  Two other answers are correct (making this the only true answer). -b) Ganymede +c)  Io -d)  Europa -e)  Ganymede {Ganymede, Europa, and Io have ratios in __________ that are 1:2:4. } -a) orbital period +b)  Two other answers are correct (making this the only true answer). -c) rotational period -d)  Argon isotope abundance -e) density

Galilean moons of Jupiter version Z
{The mechanism that heats the cores of the Galilean moons is  } -a) radiation from the Sun and from Jupiter -b)  radioactive decay of heavy elements +c) tides from the other moons and Jupiter -d)  radiation from the Sun -e) tides from Jupiter {Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter.  What important caveat applied to this calculation?   } -a)  The different moons yielded vastly different values for the mass of Jupiter. -b) tides from the other moons and Jupiter. -c)  They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun. +d) Only the mass of Jupiter relative to that of the Sun could be determined. -e)  The different moons yielded slightly different values for the mass of Jupiter. {How does the density of a Galilean moon depend on its distance from Jupiter? } -a) the less dense moon is closer to Jupiter (always) -b)  all the moons have nearly the same density -c) the density of the moons is unknown +d)  the more dense moon is closer to Jupiter (always) -e) the most dense moon is neither the closest nor the most distant {Which of Jupiter's moons has an anhydrous core? } -a)  Europa -b) Ganymede +c)  Io -d)  Two other answers are correct (making this the only true answer). -e)  Ganymede {Ganymede, Europa, and Io have ratios in __________ that are 1:2:4. } -a) rotational period +b)  Two other answers are correct (making this the only true answer). -c) density -d)  orbital period -e) Argon isotope abundance {Does Jupiter's moon Io have craters?   } +a)  yes, from volcanoes -b) no, the surface is too new -c)  no, the surface is too old -d) yes, about half from impacts and the others from volcanoes -e)  yes, from impacts {How does the mass of a Galilean moon depend on its distance from the central body? } -a) the more massive moon is closer to Jupiter (always) -b)  the less massive moon is closer to Jupiter (always) +c) the most massive moon is neither the closest nor the most distant -d)  the mass of the moons is unknown -e) all the moons have nearly the same mass