Astronomy college course/Solar system/Quiz

Astronomy_college_course

AstroWikipSolSys1_Study
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AstroWikipSolSys1_Study-v1s1
/1/. Very far from the sun, the heliosphere
 * ___ a) spins in the opposite direction


 * ___ b) reverses direction


 * ___ c) becomes the magnetosphere


 * ___ d) becomes weaker than the interstellar wind


 * ___ e) never ends

/2/. A volatile is a substance that
 * ___ a) melts or evaporates at high temperature


 * ___ b) reacts violently with water


 * ___ c) reacts violently with acids


 * ___ d) reacts violently with oxygen


 * ___ e) melts or evaporates at low temperature

/3/. All planets lie within a nearly flat disc called the __________ plane
 * ___ a) ecliptic


 * ___ b) fissile


 * ___ c) angular


 * ___ d) interstellar


 * ___ e) retrograde

/4/. The AU is
 * ___ a) a measure of the brightness of a planet


 * ___ b) the size of Oort's cloud


 * ___ c) the most distant Kuiper object from the Sun


 * ___ d) the distance from the Sun to Earth


 * ___ e) the distance from Earth to the Moon

/5/. The Sun and Earth are about
 * ___ a) 50 million years old


 * ___ b) 5 million years old


 * ___ c) 5 billion years old


 * ___ d) 500 million years old


 * ___ e) 50 billion years old

/6/. The universe is about
 * ___ a) 150 million years old


 * ___ b) 15 million years old


 * ___ c) 1.5 billion years old


 * ___ d) 15 billion years old


 * ___ e) 150 billion years old

/7/. Roughly how much bigger is a gas planet than a terrestrial planet?
 * ___ a) 3


 * ___ b) 10


 * ___ c) 100


 * ___ d) 300


 * ___ e) 30

/8/. Roughly how much bigger is a the Sun than a gas planet?
 * ___ a) 30


 * ___ b) 100


 * ___ c) 10


 * ___ d) 3


 * ___ e) 300

/9/. According to Wikipedia, if all the mass of the asteroid belt were combined to one object, it's mass would _______ times less than Earth's mass.
 * ___ a) 1,000


 * ___ b) 10,000


 * ___ c) 1


 * ___ d) 10


 * ___ e) 100

/10/. In this hypothetical image of a sun-like star we see a bright band of dust that we on Earth call zodiacal light. It is due to sunlight reflecting off dust in the
 * ___ a) Van Allen belt


 * ___ b) Oort Cloude


 * ___ c) magnetic sun's magnetic field


 * ___ d) ecliptic plane


 * ___ e) Kuiper belt

/11/. In planetary science, the frost line refers to a distance away from
 * ___ a) the south pole of a planet


 * ___ b) the north pole of a planet


 * ___ c) ecliptic plane


 * ___ d) the star in the middle


 * ___ e) either pole of a planet

/12/. Oort's cloud was hypothesized to explain the source of
 * ___ a) asteroids


 * ___ b) comets


 * ___ c) water outside the frost line


 * ___ d) planets


 * ___ e) water inside the frost line

/13/. According to Wikipedia _______ and ______ are referred to as volatiles.
 * ___ a) electrons and protons


 * ___ b) acids and bases


 * ___ c) asteroids and terrestrial planets


 * ___ d) planets and moons


 * ___ e) ices and gasses

/14/. Which of the following list is properly ranked, starting with objects closest to the Sun?
 * ___ a) Asteroid belt, Oort's cloud, Kuiper belt


 * ___ b) Kuiper belt, Oort's cloud, Asteroid belt


 * ___ c) Kuiper belt, Asteroid belt, Oort's cloud


 * ___ d) Asteroid belt, Kuiper belt, Oort's cloud


 * ___ e) Oort's cloud, Asteroid belt, Kuiper belt

/15/. When the sun turns into a red giant,
 * ___ a) surface temperature decreases; energy output increases


 * ___ b) surface temperature increases; energy output increases


 * ___ c) surface temperature increases; energy output decreases


 * ___ d) The sun will not turn into a red giant


 * ___ e) surface temperature decreases; energy output decreases

Key to AstroWikipSolSys1_Study-v1s1
/1/. Very far from the sun, the heliosphere
 * - a) spins in the opposite direction


 * - b) reverses direction


 * - c) becomes the magnetosphere


 * + d) becomes weaker than the interstellar wind


 * - e) never ends

/2/. A volatile is a substance that
 * - a) melts or evaporates at high temperature


 * - b) reacts violently with water


 * - c) reacts violently with acids


 * - d) reacts violently with oxygen


 * + e) melts or evaporates at low temperature

/3/. All planets lie within a nearly flat disc called the __________ plane
 * + a) ecliptic


 * - b) fissile


 * - c) angular


 * - d) interstellar


 * - e) retrograde

/4/. The AU is
 * - a) a measure of the brightness of a planet


 * - b) the size of Oort's cloud


 * - c) the most distant Kuiper object from the Sun


 * + d) the distance from the Sun to Earth


 * - e) the distance from Earth to the Moon

/5/. The Sun and Earth are about
 * - a) 50 million years old


 * - b) 5 million years old


 * + c) 5 billion years old


 * - d) 500 million years old


 * - e) 50 billion years old

/6/. The universe is about
 * - a) 150 million years old


 * - b) 15 million years old


 * - c) 1.5 billion years old


 * + d) 15 billion years old


 * - e) 150 billion years old

/7/. Roughly how much bigger is a gas planet than a terrestrial planet?
 * - a) 3


 * + b) 10


 * - c) 100


 * - d) 300


 * - e) 30

/8/. Roughly how much bigger is a the Sun than a gas planet?
 * - a) 30


 * - b) 100


 * + c) 10


 * - d) 3


 * - e) 300

/9/. According to Wikipedia, if all the mass of the asteroid belt were combined to one object, it's mass would _______ times less than Earth's mass.
 * + a) 1,000


 * - b) 10,000


 * - c) 1


 * - d) 10


 * - e) 100

/10/. In this hypothetical image of a sun-like star we see a bright band of dust that we on Earth call zodiacal light. It is due to sunlight reflecting off dust in the
 * - a) Van Allen belt


 * - b) Oort Cloude


 * - c) magnetic sun's magnetic field


 * + d) ecliptic plane


 * - e) Kuiper belt

/11/. In planetary science, the frost line refers to a distance away from
 * - a) the south pole of a planet


 * - b) the north pole of a planet


 * - c) ecliptic plane


 * + d) the star in the middle


 * - e) either pole of a planet

/12/. Oort's cloud was hypothesized to explain the source of
 * - a) asteroids


 * + b) comets


 * - c) water outside the frost line


 * - d) planets


 * - e) water inside the frost line

/13/. According to Wikipedia _______ and ______ are referred to as volatiles.
 * - a) electrons and protons


 * - b) acids and bases


 * - c) asteroids and terrestrial planets


 * - d) planets and moons


 * + e) ices and gasses

/14/. Which of the following list is properly ranked, starting with objects closest to the Sun?
 * - a) Asteroid belt, Oort's cloud, Kuiper belt


 * - b) Kuiper belt, Oort's cloud, Asteroid belt


 * - c) Kuiper belt, Asteroid belt, Oort's cloud


 * + d) Asteroid belt, Kuiper belt, Oort's cloud


 * - e) Oort's cloud, Asteroid belt, Kuiper belt

/15/. When the sun turns into a red giant,
 * + a) surface temperature decreases; energy output increases


 * - b) surface temperature increases; energy output increases


 * - c) surface temperature increases; energy output decreases


 * - d) The sun will not turn into a red giant


 * - e) surface temperature decreases; energy output decreases


 * Attribution (for quiz questions) under CC-by-SA license
 * http://en.wikiversity.org/w/index.php?title=Astronomy_college_course/Solar_system/Quiz&oldid=1388382
 * Study guide
 * http://en.wikipedia.org/w/index.php?title=Solar_System&oldid=589452802