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