Astronomy college course/Unit 1 study guide

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AstroTest1_Study-v1s1
1. When did astronomy split between theoretical and observational branches?
 * ___ a) In the 19th century


 * ___ b) In the 18th century


 * ___ c) After Galileo


 * ___ d) In the 20th century


 * ___ e) In the last decade

2. What does the Wikipedia 'Astronomy' call astrology?
 * ___ a) the study of comets and asteroids


 * ___ b) the study of planetary atmospheres


 * ___ c) the belief system which claims that human affairs are correlated with the positions of celestial objects.


 * ___ d) the belief that all people should learn astronomy


 * ___ e) the study of planetary cores

3. Cosmology is the study of
 * ___ a) the birth and death of stars


 * ___ b) the formation of the solar system


 * ___ c) planetary atmospheres


 * ___ d) the universe as a whole


 * ___ e) the oceans

4. What does the Wikipedia 'Astronomy' article say about astronomy and astrophysics
 * ___ a) They often yield different results


 * ___ b) They are often considered to be opposites


 * ___ c) They must be in agreement or the result cannot be trusted


 * ___ d) They are often considered to be synonymous


 * ___ e) They are often in conflict

5. The goecentric theory put the Sun
 * ___ a) at the center of the universe


 * ___ b) orbiting around the Moon


 * ___ c) at the center of the solar system


 * ___ d) in orbit around Earth


 * ___ e) none of the above or below are true

6. In the 3rd century BC, Aristarchus of Samos estimated the size of
 * ___ a) Earth and the Moon


 * ___ b) Earth and the Sun


 * ___ c) the Moon and Sun


 * ___ d) the Sun


 * ___ e) the Moon

7. In the 19th century Fraunhoffer and Kirchoff studied light from the Sun and found
 * ___ a) Mercury's shadow


 * ___ b) a wobble that led to the discovery of new planets


 * ___ c) a golden ring


 * ___ d) sunspots and the sunspot cycle


 * ___ e) spectral lines and concluded that they were caused by the elements

8. The ancient Greeks discovered (named) most of the constellations
 * ___ a) in the eastern hemisphere


 * ___ b) in both all hemispheres


 * ___ c) in the western hemisphere


 * ___ d) in the southern hemisphere


 * ___ e) in the northern hemisphere

9. When did astronmers establish that the Milky way is only one of many billions of galaxies in the universe?
 * ___ a) 18th century


 * ___ b) 14th century


 * ___ c) 20th century


 * ___ d) 16th century

10. According to the Wikipedia Astronomy article, the first known efforts in the mathematical and scientific study of Astronomy began
 * ___ a) in south America


 * ___ b) in ancient Greece


 * ___ c) among the Chinese


 * ___ d) among the Babylonians


 * ___ e) in central America

11. How many years did it take before Europe made a device as sophisticated as Antikythera?
 * ___ a) 3000 years


 * ___ b) 15,000 years


 * ___ c) 300 years


 * ___ d) 1500 years


 * ___ e) 30 years

12. The saro cycle was about repeating cycles of
 * ___ a) eclipses


 * ___ b) planets


 * ___ c) seasons

13. Who drew these sketches?
 * ___ a) Ptolemy


 * ___ b) Aristotle


 * ___ c) Kepler


 * ___ d) Galileo


 * ___ e) Copernicus

14. In what century was parallax first used to measure the distance to a Star (other than our Sun)?
 * ___ a) 17th century


 * ___ b) 18th century


 * ___ c) 20th century


 * ___ d) 16th century


 * ___ e) 19th century

15. The largest galaxy in the local group is
 * ___ a) M-31


 * ___ b) M52


 * ___ c) Milky way


 * ___ d) Andromeda


 * ___ e) ant-galexy

16. What two names are associated with the first new planet found (after those known by the ancients using the naked eye)
 * ___ a) Mars and the Candy Bar


 * ___ b) Pluto and Goofy


 * ___ c) Mercury and Friendship


 * ___ d) Uranus and George's Star


 * ___ e) Neptune and the Alabama Streaker

17. The historical record shows that in 1066 AD a supernovae was discovered by astronomers in _____ and _____
 * ___ a) Greece and China


 * ___ b) Egypt and China


 * ___ c) Greece and North America


 * ___ d) China and South America


 * ___ e) Greece and Central America

18. What is this?
 * ___ a) a supernovae remnant


 * ___ b) the magnetic field of Venus


 * ___ c) the magnetic field of Saturn


 * ___ d) colliding galaxies


 * ___ e) a dying star

19. Wihlem Conrad Rontgen, a pioneer in X-rays is famous for his photo of
 * ___ a) a supernovae


 * ___ b) his wife


 * ___ c) Barnard's star


 * ___ d) a double star


 * ___ e) The Sun

20. Earth based infrared observatories tend to be located in
 * ___ a) near the north and south poles


 * ___ b) where the air is dry


 * ___ c) where the air is cold


 * ___ d) near the equator


 * ___ e) underground

21. The shortest wavelength of electromagnetic radiation is associated with
 * ___ a) ultra violet


 * ___ b) gamma rays


 * ___ c) infrared


 * ___ d) blue light


 * ___ e) X-rays

22. What are the blue things in this figure?
 * ___ a) a globular cluster


 * ___ b) one galaxy


 * ___ c) a cluster of galaxy


 * ___ d) none of these is correct


 * ___ e) an open cluster of stars

23. Most of the ______ that astronomers observe from Earth is seen in the form of synchrotron radiation, which is produced when electrons oscillate around magnetic fields.
 * ___ a) energy


 * ___ b) meteors


 * ___ c) radio waves


 * ___ d) meteorites


 * ___ e) photons

24. Most gamma rays are
 * ___ a) the Andromeda galaxy


 * ___ b) in bursts


 * ___ c) from hot stars


 * ___ d) from cold stars


 * ___ e) from the Sun

25. Studies in the infrared are useful for objects that are
 * ___ a) in other galaxies


 * ___ b) associated with supernovae


 * ___ c) cold


 * ___ d) in our own galaxy


 * ___ e) inside the solar system

26. The best place to observe neutrinos is
 * ___ a) near the equator


 * ___ b) where the air is dry


 * ___ c) near the north and south poles


 * ___ d) underground


 * ___ e) where the air is cold

27. An active galaxy is emitting a significant amount of its energy from _____
 * ___ a) nuclear fission


 * ___ b) exploding stars


 * ___ c) magnetism


 * ___ d) gravity


 * ___ e) nuclear fusion

28. The Wikipedia article Sidereus Nuncius suggests that the inventor of the telescope was likely to be
 * ___ a) Galileo


 * ___ b) none of these


 * ___ c) a Chinese scientist


 * ___ d) A Greek scholar


 * ___ e) a lensmaker

29. Galileo called his telescope
 * ___ a) a mistake


 * ___ b) the liberator


 * ___ c) a double magnifying glass


 * ___ d) an optical cannon


 * ___ e) the magic eye

30. The "terminator" for Galileo was
 * ___ a) the most distant star he could see


 * ___ b) sunrise or sunset


 * ___ c) the division between east and west


 * ___ d) his trial for heresy


 * ___ e) the equator

31. Galileo used the terminator to
 * ___ a) deduce the color beneath the dust layer


 * ___ b) observe the wobble of the Moon's orbit


 * ___ c) compensate for stellar parallax


 * ___ d) none of these


 * ___ e) correlate color with whether the region had mountains

32. Galileo used the terminator to
 * ___ a) publicize his ideas


 * ___ b) correlate dark and light regions with terrain


 * ___ c) measure the height of mountains


 * ___ d) two of these


 * ___ e) compensate for stellar parallax

33. What statement is FALSE about Galileo and the Median Stars
 * ___ a) Galileo named them after a famous and wealthy family


 * ___ b) they were lined up


 * ___ c) they are actually moons


 * ___ d) they were described by Aristotle


 * ___ e) motion could be observed after observing a moon for just one hour

34. The title of Galileo's book, Sidereus Nuncius, is often translated as ____, but it is probably more proper to translate it as _______
 * ___ a) the motion of the stars - - the location of the stars


 * ___ b) Starry messenger - - Starry message


 * ___ c) the Moon close up - - the Moon through a telescope


 * ___ d) the motion of the earth - - the location of the earth


 * ___ e) the moons of Jupiter

35. The Wikipedia article, Sidereus Nuncius, points out that what the ancient Greek scientist thought was a cloudy star was really
 * ___ a) a planetary nebula


 * ___ b) a supernovae remnant


 * ___ c) a comet


 * ___ d) many faint stars


 * ___ e) the rings of Saturn

36. Galileo's naming of the "Medicean Stars"
 * ___ a) two of these are true


 * ___ b) was controversial because stars were supposed to be named after Roman gods


 * ___ c) broke an agreement he made with the Pope to stop writing about astronomy


 * ___ d) caused his house arrest


 * ___ e) might have earned him a promotion

37. When the German astronomy Marius provided evidence that he (Marius) had first seen the moons of Jupiter, Galileo
 * ___ a) used his political contacts to ensure that he (Galileo) would get credit


 * ___ b) appealed to the Pope


 * ___ c) pointed out that the telescope Marius was using could not have seen the Moons


 * ___ d) won the argument using his knowledge of calendars


 * ___ e) didn't care; he was a true scientist

38. Prior to the publication of Sidereus Nuncius, the Church
 * ___ a) had outlawed all discussion of the Copernican heliocentric system


 * ___ b) had given Galileo a commission to look into the Copernican heliocentric system


 * ___ c) none of these are true (according to the Wikipedia permalink to Sidereus Nuncius.)


 * ___ d) was unaware of any controversy concerning the Copernican heliocentric system


 * ___ e) accepted the Copernican heliocentric system as strictly mathematical and hypothetical

39. The Ptolemaic system was geocentric.
 * ___ a) TRUE


 * ___ b) FALSE

40. The Ptolemaic system was heliocentric.
 * ___ a) TRUE


 * ___ b) FALSE

41. Most ancient Roman and most medieval scholars thought the Earth was flat.
 * ___ a) TRUE


 * ___ b) FALSE

42. Evidence for the Copernican system is that the Earth does not seem to move.
 * ___ a) TRUE


 * ___ b) FALSE

43. The ancient Greeks believed in circular orbits, causing them to devise the epicycle and the deferent.
 * ___ a) TRUE


 * ___ b) FALSE

44. Copernicus was a university-trained Catholic priest dedicated to astronomy.
 * ___ a) TRUE


 * ___ b) FALSE

45. In the late 16th century, Tycho Brahe invented his system to resolve philosophical and what he called “physical" problems with the geocentric theory.
 * ___ a) TRUE


 * ___ b) FALSE

46. Copernicus shared his heliocentric theory with colleagues decades before he died.
 * ___ a) TRUE


 * ___ b) FALSE

47. In the late 16th century, Tycho Brahe invented his system to resolve philosophical and what he called “physical" problems with the heliocentric theory.
 * ___ a) TRUE


 * ___ b) FALSE

48. An argument used to support the geocentric model held that heavenly bodies, while perhaps large, were able to move quickly.
 * ___ a) TRUE


 * ___ b) FALSE

49. Tycho tended to favor religious arguments over scientific arguments when justifying his opinions about the geocentric/heliocentric controversy.
 * ___ a) TRUE


 * ___ b) FALSE

50. Tycho was the first to propose an earth-orbiting sun had planets in orbit around the Sun.
 * ___ a) TRUE


 * ___ b) FALSE

51. At 6am a new moon would be
 * ___ a) below the horizon


 * ___ b) western horizon


 * ___ c) overhead


 * ___ d) eastern horizon

52. At midnight a third quarter moon would be
 * ___ a) western horizon


 * ___ b) overhead


 * ___ c) below the horizon


 * ___ d) eastern horizon

53. At noon a third quarter moon would be
 * ___ a) western horizon


 * ___ b) below the horizon


 * ___ c) eastern horizon


 * ___ d) overhead

54. At midnight a 1st quarter moon would be
 * ___ a) eastern horizon


 * ___ b) below the horizon


 * ___ c) overhead


 * ___ d) western horizon

55. At 6pm a new moon would be
 * ___ a) eastern horizon


 * ___ b) below the horizon


 * ___ c) western horizon


 * ___ d) overhead

56. At noon a 1st quarter moon would be
 * ___ a) western horizon


 * ___ b) overhead


 * ___ c) below the horizon


 * ___ d) eastern horizon

57. At 6pm a third quarter moon would be
 * ___ a) western horizon


 * ___ b) overhead


 * ___ c) eastern horizon


 * ___ d) below the horizon

58. At noon a new moon would be
 * ___ a) eastern horizon


 * ___ b) overhead


 * ___ c) western horizon


 * ___ d) below the horizon

59. At midnight a full moon would be
 * ___ a) western horizon


 * ___ b) eastern horizon


 * ___ c) below the horizon


 * ___ d) overhead

60. At 6pm a full moon would be
 * ___ a) overhead


 * ___ b) below the horizon


 * ___ c) eastern horizon


 * ___ d) western horizon

Key to AstroTest1_Study-v1s1
1. When did astronomy split between theoretical and observational branches?
 * - a) In the 19th century


 * - b) In the 18th century


 * - c) After Galileo


 * + d) In the 20th century


 * - e) In the last decade

2. What does the Wikipedia 'Astronomy' call astrology?
 * - a) the study of comets and asteroids


 * - b) the study of planetary atmospheres


 * + c) the belief system which claims that human affairs are correlated with the positions of celestial objects.


 * - d) the belief that all people should learn astronomy


 * - e) the study of planetary cores

3. Cosmology is the study of
 * - a) the birth and death of stars


 * - b) the formation of the solar system


 * - c) planetary atmospheres


 * + d) the universe as a whole


 * - e) the oceans

4. What does the Wikipedia 'Astronomy' article say about astronomy and astrophysics
 * - a) They often yield different results


 * - b) They are often considered to be opposites


 * - c) They must be in agreement or the result cannot be trusted


 * + d) They are often considered to be synonymous


 * - e) They are often in conflict

5. The goecentric theory put the Sun
 * - a) at the center of the universe


 * - b) orbiting around the Moon


 * - c) at the center of the solar system


 * + d) in orbit around Earth


 * - e) none of the above or below are true

6. In the 3rd century BC, Aristarchus of Samos estimated the size of
 * - a) Earth and the Moon


 * - b) Earth and the Sun


 * + c) the Moon and Sun


 * - d) the Sun


 * - e) the Moon

7. In the 19th century Fraunhoffer and Kirchoff studied light from the Sun and found
 * - a) Mercury's shadow


 * - b) a wobble that led to the discovery of new planets


 * - c) a golden ring


 * - d) sunspots and the sunspot cycle


 * + e) spectral lines and concluded that they were caused by the elements

8. The ancient Greeks discovered (named) most of the constellations
 * - a) in the eastern hemisphere


 * - b) in both all hemispheres


 * - c) in the western hemisphere


 * - d) in the southern hemisphere


 * + e) in the northern hemisphere

9. When did astronmers establish that the Milky way is only one of many billions of galaxies in the universe?
 * - a) 18th century


 * - b) 14th century


 * + c) 20th century


 * - d) 16th century

10. According to the Wikipedia Astronomy article, the first known efforts in the mathematical and scientific study of Astronomy began
 * - a) in south America


 * - b) in ancient Greece


 * - c) among the Chinese


 * + d) among the Babylonians


 * - e) in central America

11. How many years did it take before Europe made a device as sophisticated as Antikythera?
 * - a) 3000 years


 * - b) 15,000 years


 * - c) 300 years


 * + d) 1500 years


 * - e) 30 years

12. The saro cycle was about repeating cycles of
 * + a) eclipses


 * - b) planets


 * - c) seasons

13. Who drew these sketches?
 * - a) Ptolemy


 * - b) Aristotle


 * - c) Kepler


 * + d) Galileo


 * - e) Copernicus

14. In what century was parallax first used to measure the distance to a Star (other than our Sun)?
 * - a) 17th century


 * - b) 18th century


 * - c) 20th century


 * - d) 16th century


 * + e) 19th century

15. The largest galaxy in the local group is
 * - a) M-31


 * - b) M52


 * - c) Milky way


 * + d) Andromeda


 * - e) ant-galexy

16. What two names are associated with the first new planet found (after those known by the ancients using the naked eye)
 * - a) Mars and the Candy Bar


 * - b) Pluto and Goofy


 * - c) Mercury and Friendship


 * + d) Uranus and George's Star


 * - e) Neptune and the Alabama Streaker

17. The historical record shows that in 1066 AD a supernovae was discovered by astronomers in _____ and _____
 * - a) Greece and China


 * + b) Egypt and China


 * - c) Greece and North America


 * - d) China and South America


 * - e) Greece and Central America

18. What is this?
 * - a) a supernovae remnant


 * - b) the magnetic field of Venus


 * - c) the magnetic field of Saturn


 * - d) colliding galaxies


 * + e) a dying star

19. Wihlem Conrad Rontgen, a pioneer in X-rays is famous for his photo of
 * - a) a supernovae


 * + b) his wife


 * - c) Barnard's star


 * - d) a double star


 * - e) The Sun

20. Earth based infrared observatories tend to be located in
 * - a) near the north and south poles


 * + b) where the air is dry


 * - c) where the air is cold


 * - d) near the equator


 * - e) underground

21. The shortest wavelength of electromagnetic radiation is associated with
 * - a) ultra violet


 * + b) gamma rays


 * - c) infrared


 * - d) blue light


 * - e) X-rays

22. What are the blue things in this figure?
 * - a) a globular cluster


 * + b) one galaxy


 * - c) a cluster of galaxy


 * - d) none of these is correct


 * - e) an open cluster of stars

23. Most of the ______ that astronomers observe from Earth is seen in the form of synchrotron radiation, which is produced when electrons oscillate around magnetic fields.
 * - a) energy


 * - b) meteors


 * + c) radio waves


 * - d) meteorites


 * - e) photons

24. Most gamma rays are
 * - a) the Andromeda galaxy


 * + b) in bursts


 * - c) from hot stars


 * - d) from cold stars


 * - e) from the Sun

25. Studies in the infrared are useful for objects that are
 * - a) in other galaxies


 * - b) associated with supernovae


 * + c) cold


 * - d) in our own galaxy


 * - e) inside the solar system

26. The best place to observe neutrinos is
 * - a) near the equator


 * - b) where the air is dry


 * - c) near the north and south poles


 * + d) underground


 * - e) where the air is cold

27. An active galaxy is emitting a significant amount of its energy from _____
 * - a) nuclear fission


 * - b) exploding stars


 * - c) magnetism


 * + d) gravity


 * - e) nuclear fusion

28. The Wikipedia article Sidereus Nuncius suggests that the inventor of the telescope was likely to be
 * - a) Galileo


 * - b) none of these


 * - c) a Chinese scientist


 * - d) A Greek scholar


 * + e) a lensmaker

29. Galileo called his telescope
 * - a) a mistake


 * - b) the liberator


 * - c) a double magnifying glass


 * + d) an optical cannon


 * - e) the magic eye

30. The "terminator" for Galileo was
 * - a) the most distant star he could see


 * + b) sunrise or sunset


 * - c) the division between east and west


 * - d) his trial for heresy


 * - e) the equator

31. Galileo used the terminator to
 * - a) deduce the color beneath the dust layer


 * - b) observe the wobble of the Moon's orbit


 * - c) compensate for stellar parallax


 * - d) none of these


 * + e) correlate color with whether the region had mountains

32. Galileo used the terminator to
 * - a) publicize his ideas


 * - b) correlate dark and light regions with terrain


 * - c) measure the height of mountains


 * + d) two of these


 * - e) compensate for stellar parallax

33. What statement is FALSE about Galileo and the Median Stars
 * - a) Galileo named them after a famous and wealthy family


 * - b) they were lined up


 * - c) they are actually moons


 * + d) they were described by Aristotle


 * - e) motion could be observed after observing a moon for just one hour

34. The title of Galileo's book, Sidereus Nuncius, is often translated as ____, but it is probably more proper to translate it as _______
 * - a) the motion of the stars - - the location of the stars


 * + b) Starry messenger - - Starry message


 * - c) the Moon close up - - the Moon through a telescope


 * - d) the motion of the earth - - the location of the earth


 * - e) the moons of Jupiter

35. The Wikipedia article, Sidereus Nuncius, points out that what the ancient Greek scientist thought was a cloudy star was really
 * - a) a planetary nebula


 * - b) a supernovae remnant


 * - c) a comet


 * + d) many faint stars


 * - e) the rings of Saturn

36. Galileo's naming of the "Medicean Stars"
 * + a) two of these are true


 * - b) was controversial because stars were supposed to be named after Roman gods


 * - c) broke an agreement he made with the Pope to stop writing about astronomy


 * - d) caused his house arrest


 * - e) might have earned him a promotion

37. When the German astronomy Marius provided evidence that he (Marius) had first seen the moons of Jupiter, Galileo
 * - a) used his political contacts to ensure that he (Galileo) would get credit


 * - b) appealed to the Pope


 * - c) pointed out that the telescope Marius was using could not have seen the Moons


 * + d) won the argument using his knowledge of calendars


 * - e) didn't care; he was a true scientist

38. Prior to the publication of Sidereus Nuncius, the Church
 * - a) had outlawed all discussion of the Copernican heliocentric system


 * - b) had given Galileo a commission to look into the Copernican heliocentric system


 * - c) none of these are true (according to the Wikipedia permalink to Sidereus Nuncius.)


 * - d) was unaware of any controversy concerning the Copernican heliocentric system


 * + e) accepted the Copernican heliocentric system as strictly mathematical and hypothetical

39. The Ptolemaic system was geocentric.
 * + a) TRUE


 * - b) FALSE

40. The Ptolemaic system was heliocentric.
 * - a) TRUE


 * + b) FALSE

41. Most ancient Roman and most medieval scholars thought the Earth was flat.
 * - a) TRUE


 * + b) FALSE

42. Evidence for the Copernican system is that the Earth does not seem to move.
 * - a) TRUE


 * + b) FALSE

43. The ancient Greeks believed in circular orbits, causing them to devise the epicycle and the deferent.
 * + a) TRUE


 * - b) FALSE

44. Copernicus was a university-trained Catholic priest dedicated to astronomy.
 * + a) TRUE


 * - b) FALSE

45. In the late 16th century, Tycho Brahe invented his system to resolve philosophical and what he called “physical" problems with the geocentric theory.
 * - a) TRUE


 * + b) FALSE

46. Copernicus shared his heliocentric theory with colleagues decades before he died.
 * + a) TRUE


 * - b) FALSE

47. In the late 16th century, Tycho Brahe invented his system to resolve philosophical and what he called “physical" problems with the heliocentric theory.
 * + a) TRUE


 * - b) FALSE

48. An argument used to support the geocentric model held that heavenly bodies, while perhaps large, were able to move quickly.
 * + a) TRUE


 * - b) FALSE

49. Tycho tended to favor religious arguments over scientific arguments when justifying his opinions about the geocentric/heliocentric controversy.
 * - a) TRUE


 * + b) FALSE

50. Tycho was the first to propose an earth-orbiting sun had planets in orbit around the Sun.
 * - a) TRUE


 * + b) FALSE

51. At 6am a new moon would be
 * - a) below the horizon


 * - b) western horizon


 * - c) overhead


 * + d) eastern horizon

52. At midnight a third quarter moon would be
 * - a) western horizon


 * - b) overhead


 * - c) below the horizon


 * + d) eastern horizon

53. At noon a third quarter moon would be
 * + a) western horizon


 * - b) below the horizon


 * - c) eastern horizon


 * - d) overhead

54. At midnight a 1st quarter moon would be
 * - a) eastern horizon


 * - b) below the horizon


 * - c) overhead


 * + d) western horizon

55. At 6pm a new moon would be
 * - a) eastern horizon


 * - b) below the horizon


 * + c) western horizon


 * - d) overhead

56. At noon a 1st quarter moon would be
 * - a) western horizon


 * - b) overhead


 * - c) below the horizon


 * + d) eastern horizon

57. At 6pm a third quarter moon would be
 * - a) western horizon


 * - b) overhead


 * - c) eastern horizon


 * + d) below the horizon

58. At noon a new moon would be
 * - a) eastern horizon


 * + b) overhead


 * - c) western horizon


 * - d) below the horizon

59. At midnight a full moon would be
 * - a) western horizon


 * - b) eastern horizon


 * - c) below the horizon


 * + d) overhead

60. At 6pm a full moon would be
 * - a) overhead


 * - b) below the horizon


 * + c) eastern horizon


 * - d) western horizon


 * Attribution (for quiz questions) under CC-by-SA license
 * http://en.wikiversity.org/w/index.php?title=Astronomy_college_course/Astronomy_(wikipedia)/Quiz01&oldid=1387156
 * https://en.wikiversity.org/w/index.php?title=Astronomy_college_course/Astronomy_(wikipedia)/Quiz02&oldid=1387715
 * https://en.wikiversity.org/wiki/Astronomy_college_course/Wikipedia_Sidereus_Nuncius/Quiz01
 * http://en.wikiversity.org/w/index.php?title=Astronomy_college_course/Ptolemy,_Copernicus_and_Tycho_systems/Quiz01&oldid=1388143
 * http://en.wikiversity.org/w/index.php?title=Astronomy_college_course/Lunar_Phases/Quiz(simple)&oldid=1388138
 * Study guide
 * http://en.wikipedia.org/w/index.php?title=Astronomy&oldid=586057527
 * http://en.wikipedia.org/w/index.php?title=Sidereus_Nuncius&oldid=587554840
 * http://en.wikipedia.org/wiki/User:Guy_vandegrift/Astronomy_college_course/Ptolemy,_Copernicus_and_Tycho_systems
 * http://en.wikiversity.org/w/index.php?title=Astronomy_college_course/Lunar_Phases&oldid=1190185