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) True
B) False
  • 3. Which planet is largest?
A) Mercury
B) Saturn
C) Jupiter
D) Uranus
  • 4. Name the order of the planets
A) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune
B) Mercury, Venus, Earth, Mars, Saturn, Jupiter, Uranus, 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) Armstrong
B) Hubble
C) Copernicus
D) Galileo
  • 6. What is the name of the telescope which orbits Earth?
A) International Space Station
B) Hubble
C) Galileo Probe
D) Armstrong
  • 7. Which planets are considered terrestrial
A) inner planets
B) planets with rings
C) gas planets
D) outer planets
  • 8. What causes day and night on Earth?
A) its rotation
B) its orbit around the sun
C) its revolution
D) it tilted axis
  • 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) 1 year
C) 2 weeks
D) 29 days
  • 11. What determines length of year on a planet
A) rotation
B) revolution
C) its axis
D) the planet's size
  • 12. Who was the first person on the moon?
A) Buzz Aldren
B) Neil Armstrong
C) Alan Shepard
D) John Glenn
  • 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 sun's shadow.
B) The moon passes through the earth's shadow.
C) The earth passes through the moon's shadow.
D) The moon passes through it's own 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 moon passes through the earth's shadow.
D) The sun passes through the earth's shadow.
  • 16. What is the name of our galaxy?
A) The Big Bang
B) One way
C) Milky Way
D) Andromeda
  • 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) Maine Medical Center
C) asteroid belt
D) constellation
  • 19. The Big Bang Theory explains.....
A) how stars explode
B) the formation of the universe
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) atmosphere
B) mass
C) moons
D) size
  • 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) solar wind
B) the moon
C) fireworks
D) sunset
  • 23. Which planet has the shortest year?
A) Mars
B) Mercury
C) Moon
D) Earth
  • 24. Between which two planets are most of the asteroids located?
A) Mars and Jupiter
B) Jupiter and Saturn
C) Uranus and Neptune
D) Saturn and Uranus
  • 25. Which planet is farthest from earth?
A) Neptune
B) uranus
C) jupiter
D) Mars
  • 26. Why is Earth unique in the solar system?
A) It has life
B) It has volcanoes
C) It has a moon
D) It is the last inner planet
  • 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) It is very elliptical
B) They travel in the opposite direction around the sun
C) The don't orbit they hit the sun.
D) They are perfectly circular
  • 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) 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) sublimation
B) solar wind
C) sunlight
D) it does not point away from the sun
  • 32. Earth's only natural satellite is
A) the inner planets
B) the sun
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, moon, earth
D) Sun, earth, moon
  • 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) gibbous
C) waning
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) solar event
B) nebula
C) supernova
D) astro nova
  • 38. A solar flare creates
A) all of these answers
B) an aurora on earth
C) huge amount of energy
D) solar wind
  • 39. On which if these would you weigh the least?
A) Earth
B) moon
C) Mars
D) Venus
  • 40. During what phase of the moon does a lunar eclipse take place?
A) 1st quarter
B) Last Quarter
C) New
D) Full
  • 41. During what moon phase does a solar eclipse take place?
A) Full
B) 1st quarter
C) Last Quarter
D) New
  • 42. Why doesn't each eclipse happen every month?
A) It depends on the earth's orbit
B) It depends on what time of year it is
C) The moon's orbit is does not line up perfectly with the Earth
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) 13.7 million years
B) 4.5 million year
C) 4.5 billion years
D) 13.7 billion years
  • 46. What measurement is used for distances within our solar system
A) light-years
B) AU's
C) meters
D) light-seconds
  • 47. What is the name of the aurora in the southern hemisphere
A) Aurora Australis
B) Aurora Borealis
C) Holy Aurora
D) Aurora Antarctica
  • 48. Why doesn't a comet far away from the sun have a tail?
A) It's too small
B) It's too cold
C) It turns into rock
D) It's going too fast
  • 49. Astronomers think the universe is about...
A) 1 million years old
B) 4 billion 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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