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