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) False
B) True
  • 3. Which planet is largest?
A) Jupiter
B) Uranus
C) Saturn
D) Mercury
  • 4. Name the order of the planets
A) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus
B) Mercury, Venus, Earth, Mars, Saturn, Jupiter, Uranus, Neptune
C) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune
D) Mercury, Venus, Earth, Mars, Saturn, Jupiter, Neptune, Uranus
  • 5. Who is the father of Astronomy?
A) Armstrong
B) Hubble
C) Copernicus
D) Galileo
  • 6. What is the name of the telescope which orbits Earth?
A) Hubble
B) Galileo Probe
C) International Space Station
D) Armstrong
  • 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 revolution
B) its orbit around the sun
C) it tilted axis
D) its rotation
  • 9. What causes the phases of the moon
A) The earth's orbit
B) The sun's gravity
C) The earth's rotation
D) The moon's orbit
  • 10. How long does it take for the moon to complete all of its phases?
A) 1 week
B) 29 days
C) 1 year
D) 2 weeks
  • 11. What determines length of year on a planet
A) revolution
B) rotation
C) its axis
D) the planet's size
  • 12. Who was the first person on the moon?
A) Neil Armstrong
B) Buzz Aldren
C) John Glenn
D) Alan Shepard
  • 13. Which measurement is the largest distance
A) light-minute
B) 1 trillion miles
C) AU
D) Light-year
  • 14. What causes a lunar eclipse?
A) The moon passes through it's own shadow.
B) The moon passes through the earth's shadow.
C) The earth passes through the moon's shadow.
D) The earth passes through the sun's shadow.
  • 15. What causes a solar eclipse?
A) The earth passes through the sun's shadow.
B) The sun passes through the earth's shadow.
C) The moon passes through the earth's shadow.
D) The earth passes through the moon's shadow.
  • 16. What is the name of our galaxy?
A) Andromeda
B) Milky Way
C) The Big Bang
D) One way
  • 17. What type of galaxy is ours?
A) Irregular
B) Regular
C) Elliptical
D) Barred Spiral
  • 18. What is the birthplace of stars
A) Nebula
B) asteroid belt
C) Maine Medical Center
D) constellation
  • 19. The Big Bang Theory explains.....
A) how the sound travels through space
B) how long it will take to travel in space
C) how stars explode
D) the formation of the universe
  • 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) 1 light year
B) 93 thousand miles
C) 93 million miles
D) 93 billion miles
  • 22. What causes the aurora borealis?
A) solar wind
B) sunset
C) fireworks
D) the moon
  • 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) Saturn and Uranus
B) Uranus and Neptune
C) Jupiter and Saturn
D) Mars and Jupiter
  • 25. Which planet is farthest from earth?
A) Neptune
B) Mars
C) uranus
D) jupiter
  • 26. Why is Earth unique in the solar system?
A) It has volcanoes
B) It has a moon
C) It has life
D) It is the last inner planet
  • 27. What causes the comet's tail?
A) the asteroids
B) astronomers aren't sure
C) the gravity of the sun
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) streaking through the atmosphere
B) floating in space
C) Near Jupiter's rings
D) on the earth's surface
  • 30. A meteor can be seen
A) on earth's surface
B) floating in space
C) streaking through earth's atmosphere
D) all of these answers
  • 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 sun
B) the inner planets
C) Hubble Telescope
D) the moon
  • 33. What is the postion of the sun, moon and earth for a new moon?
A) moon, earth, sun
B) earth, sun, moon
C) Sun, earth, moon
D) Sun, moon, earth
  • 34. What is it called as the moon goes from new moon to full moon?
A) waning
B) crescent
C) gibbous
D) waxing
  • 35. What is it called as the moon goes from full to new?
A) gibbous
B) waning
C) waxing
D) crescent
  • 36. How many stars in our galaxy
A) infinite
B) millions
C) billions
D) one, the sun
  • 37. A huge exploding star is called a
A) supernova
B) solar event
C) astro nova
D) nebula
  • 38. A solar flare creates
A) solar wind
B) all of these answers
C) an aurora on earth
D) huge amount of energy
  • 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) Full
B) New
C) 1st quarter
D) Last Quarter
  • 41. During what moon phase does a solar eclipse take place?
A) Last Quarter
B) 1st quarter
C) Full
D) New
  • 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) True
B) False
  • 44. The DISTANCE light travels in one year is called a
A) 186,000 m/s
B) AU
C) light-year
D) light mile
  • 45. Scientist believe that the Earth and our solar system are about how old?
A) 13.7 billion years
B) 13.7 million years
C) 4.5 million year
D) 4.5 billion years
  • 46. What measurement is used for distances within our solar system
A) meters
B) AU's
C) light-years
D) light-seconds
  • 47. What is the name of the aurora in the southern hemisphere
A) Holy Aurora
B) Aurora Antarctica
C) Aurora Borealis
D) Aurora Australis
  • 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) 1 billion years old
B) 14 billion years old
C) 1 million years old
D) 4 billion years old
  • 50. Astronomers think the universe is
A) standing still
B) None of the answers are correct
C) expanding
D) shrinking
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