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, Jupiter, Saturn, Neptune, Uranus
B) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune
C) Mercury, Venus, Earth, Mars, Saturn, Jupiter, Neptune, Uranus
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) Galileo Probe
B) Hubble
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) it tilted axis
B) its rotation
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 moon's orbit
D) The sun's gravity
  • 10. How long does it take for the moon to complete all of its phases?
A) 1 week
B) 2 weeks
C) 29 days
D) 1 year
  • 11. What determines length of year on a planet
A) its axis
B) revolution
C) rotation
D) the planet's size
  • 12. Who was the first person on the moon?
A) Alan Shepard
B) Buzz Aldren
C) Neil Armstrong
D) John Glenn
  • 13. Which measurement is the largest distance
A) 1 trillion miles
B) Light-year
C) light-minute
D) AU
  • 14. What causes a lunar eclipse?
A) The earth passes through the sun's shadow.
B) The earth passes through the moon's shadow.
C) The moon passes through the earth's shadow.
D) The moon passes through it's own shadow.
  • 15. What causes a solar eclipse?
A) The moon passes through the earth's shadow.
B) The earth passes through the moon'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) Andromeda
C) One way
D) The Big Bang
  • 17. What type of galaxy is ours?
A) Irregular
B) Elliptical
C) Regular
D) Barred Spiral
  • 18. What is the birthplace of stars
A) Nebula
B) constellation
C) asteroid belt
D) Maine Medical Center
  • 19. The Big Bang Theory explains.....
A) how the sound travels through space
B) how stars explode
C) how long it will take to travel in space
D) the formation of the universe
  • 20. The gravity of a body in space depends on its
A) size
B) mass
C) moons
D) atmosphere
  • 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) the moon
B) solar wind
C) sunset
D) fireworks
  • 23. Which planet has the shortest year?
A) Moon
B) Mercury
C) Mars
D) Earth
  • 24. Between which two planets are most of the asteroids located?
A) Mars and Jupiter
B) Saturn and Uranus
C) Uranus and Neptune
D) Jupiter and Saturn
  • 25. Which planet is farthest from earth?
A) Neptune
B) jupiter
C) uranus
D) Mars
  • 26. Why is Earth unique in the solar system?
A) It is the last inner planet
B) It has a moon
C) It has life
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) They travel in the opposite direction around the sun
C) It is very elliptical
D) The don't orbit they hit the sun.
  • 29. A meteorite can be seen
A) floating in space
B) on the earth's surface
C) Near Jupiter's rings
D) streaking through the atmosphere
  • 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) solar wind
B) it does not point away from the sun
C) sublimation
D) sunlight
  • 32. Earth's only natural satellite is
A) the sun
B) the inner planets
C) the moon
D) Hubble Telescope
  • 33. What is the postion of the sun, moon and earth for a new moon?
A) earth, sun, moon
B) Sun, earth, 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) waxing
B) gibbous
C) crescent
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) millions
B) one, the sun
C) billions
D) infinite
  • 37. A huge exploding star is called a
A) nebula
B) supernova
C) astro nova
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) Mars
C) Earth
D) Venus
  • 40. During what phase of the moon does a lunar eclipse take place?
A) New
B) Last Quarter
C) Full
D) 1st quarter
  • 41. During what moon phase does a solar eclipse take place?
A) Full
B) Last Quarter
C) 1st quarter
D) New
  • 42. Why doesn't each eclipse happen every month?
A) It depends on the earth's orbit
B) They do occur once a month you just can't seem them from all places on the earth
C) The moon's orbit is does not line up perfectly with the Earth
D) It depends on what time of year it is
  • 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 mile
B) AU
C) light-year
D) 186,000 m/s
  • 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) light-seconds
B) meters
C) AU's
D) light-years
  • 47. What is the name of the aurora in the southern hemisphere
A) Holy Aurora
B) Aurora Antarctica
C) Aurora Australis
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 too cold
C) It's going too fast
D) It's too small
  • 49. Astronomers think the universe is about...
A) 1 million years old
B) 1 billion years old
C) 14 billion years old
D) 4 billion years old
  • 50. Astronomers think the universe is
A) expanding
B) None of the answers are correct
C) shrinking
D) standing still
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