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