Astronomy 50
  • 1. True of False The Sun is the largest star in our galaxy
A) False
B) True
  • 2. True or False The sun has more gravity than all the other bodies in our solar system
A) True
B) False
  • 3. Which planet is largest?
A) Saturn
B) Mercury
C) Uranus
D) Jupiter
  • 4. Name the order of the planets
A) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus
B) Mercury, Venus, Earth, Mars, Saturn, Jupiter, Neptune, Uranus
C) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune
D) Mercury, Venus, Earth, Mars, Saturn, Jupiter, Uranus, Neptune
  • 5. Who is the father of Astronomy?
A) Armstrong
B) Hubble
C) Galileo
D) Copernicus
  • 6. What is the name of the telescope which orbits Earth?
A) Hubble
B) Armstrong
C) Galileo Probe
D) International Space Station
  • 7. Which planets are considered terrestrial
A) inner planets
B) planets with rings
C) gas planets
D) outer planets
  • 8. What causes day and night on Earth?
A) its rotation
B) it tilted axis
C) its revolution
D) its orbit around the sun
  • 9. What causes the phases of the moon
A) The earth's orbit
B) The earth's rotation
C) The sun's gravity
D) The moon's orbit
  • 10. How long does it take for the moon to complete all of its phases?
A) 1 year
B) 29 days
C) 1 week
D) 2 weeks
  • 11. What determines length of year on a planet
A) revolution
B) its axis
C) the planet's size
D) rotation
  • 12. Who was the first person on the moon?
A) Neil Armstrong
B) Alan Shepard
C) Buzz Aldren
D) John Glenn
  • 13. Which measurement is the largest distance
A) light-minute
B) AU
C) 1 trillion miles
D) Light-year
  • 14. What causes a lunar eclipse?
A) The moon passes through the earth's shadow.
B) The moon passes through it's own shadow.
C) The earth passes through the sun's shadow.
D) The earth passes through the moon's shadow.
  • 15. What causes a solar eclipse?
A) The earth passes through the moon's shadow.
B) The moon passes through the earth's shadow.
C) The sun passes through the earth's shadow.
D) The earth passes through the sun's shadow.
  • 16. What is the name of our galaxy?
A) Milky Way
B) The Big Bang
C) One way
D) Andromeda
  • 17. What type of galaxy is ours?
A) Regular
B) Barred Spiral
C) Elliptical
D) Irregular
  • 18. What is the birthplace of stars
A) constellation
B) Nebula
C) Maine Medical Center
D) asteroid belt
  • 19. The Big Bang Theory explains.....
A) how stars explode
B) how the sound travels through space
C) the formation of the universe
D) how long it will take to travel in space
  • 20. The gravity of a body in space depends on its
A) moons
B) mass
C) size
D) atmosphere
  • 21. How far away is the sun from the earth?
A) 93 billion miles
B) 1 light year
C) 93 thousand miles
D) 93 million miles
  • 22. What causes the aurora borealis?
A) fireworks
B) solar wind
C) the moon
D) sunset
  • 23. Which planet has the shortest year?
A) Moon
B) Earth
C) Mars
D) Mercury
  • 24. Between which two planets are most of the asteroids located?
A) Mars and Jupiter
B) Saturn and Uranus
C) Jupiter and Saturn
D) Uranus and Neptune
  • 25. Which planet is farthest from earth?
A) uranus
B) jupiter
C) Mars
D) Neptune
  • 26. Why is Earth unique in the solar system?
A) It has life
B) It has volcanoes
C) It is the last inner planet
D) It has a moon
  • 27. What causes the comet's tail?
A) astronomers aren't sure
B) the gravity of the sun
C) the asteroids
D) solar wind
  • 28. What is unusual about most comets orbits?
A) It is very elliptical
B) They travel in the opposite direction around the sun
C) They are perfectly circular
D) The don't orbit they hit the sun.
  • 29. A meteorite can be seen
A) streaking through the atmosphere
B) Near Jupiter's rings
C) on the earth's surface
D) floating in space
  • 30. A meteor can be seen
A) all of these answers
B) streaking through earth's atmosphere
C) floating in space
D) on earth's surface
  • 31. A comet's tail points away from the sun because of
A) sublimation
B) it does not point away from the sun
C) solar wind
D) sunlight
  • 32. Earth's only natural satellite is
A) the inner planets
B) the sun
C) the moon
D) Hubble Telescope
  • 33. What is the postion of the sun, moon and earth for a new moon?
A) Sun, earth, moon
B) Sun, moon, earth
C) earth, sun, moon
D) moon, earth, sun
  • 34. What is it called as the moon goes from new moon to full moon?
A) waxing
B) waning
C) gibbous
D) crescent
  • 35. What is it called as the moon goes from full to new?
A) waxing
B) waning
C) crescent
D) gibbous
  • 36. How many stars in our galaxy
A) one, the sun
B) millions
C) infinite
D) billions
  • 37. A huge exploding star is called a
A) astro nova
B) solar event
C) nebula
D) supernova
  • 38. A solar flare creates
A) all of these answers
B) an aurora on earth
C) huge amount of energy
D) solar wind
  • 39. On which if these would you weigh the least?
A) Venus
B) moon
C) Mars
D) Earth
  • 40. During what phase of the moon does a lunar eclipse take place?
A) 1st quarter
B) New
C) Full
D) Last Quarter
  • 41. During what moon phase does a solar eclipse take place?
A) 1st quarter
B) New
C) Full
D) Last Quarter
  • 42. Why doesn't each eclipse happen every month?
A) The moon's orbit is does not line up perfectly with the Earth
B) It depends on what time of year it is
C) It depends on the earth's orbit
D) They do occur once a month you just can't seem them from all places on the earth
  • 43. True or False The speed of light is 186,000 miles per second
A) False
B) True
  • 44. The DISTANCE light travels in one year is called a
A) light-year
B) light mile
C) 186,000 m/s
D) AU
  • 45. Scientist believe that the Earth and our solar system are about how old?
A) 13.7 million years
B) 4.5 million year
C) 4.5 billion years
D) 13.7 billion years
  • 46. What measurement is used for distances within our solar system
A) meters
B) light-years
C) light-seconds
D) AU's
  • 47. What is the name of the aurora in the southern hemisphere
A) Aurora Australis
B) Aurora Antarctica
C) Aurora Borealis
D) Holy Aurora
  • 48. Why doesn't a comet far away from the sun have a tail?
A) It's going too fast
B) It turns into rock
C) It's too cold
D) It's too small
  • 49. Astronomers think the universe is about...
A) 1 million years old
B) 4 billion years old
C) 14 billion years old
D) 1 billion years old
  • 50. Astronomers think the universe is
A) standing still
B) None of the answers are correct
C) shrinking
D) expanding
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