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