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