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) False
B) True
  • 3. Which planet is largest?
A) Mercury
B) Jupiter
C) Uranus
D) Saturn
  • 4. Name the order of the planets
A) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune
B) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus
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) Hubble
B) Galileo
C) Copernicus
D) Armstrong
  • 6. What is the name of the telescope which orbits Earth?
A) International Space Station
B) Hubble
C) Armstrong
D) Galileo Probe
  • 7. Which planets are considered terrestrial
A) planets with rings
B) gas planets
C) inner planets
D) outer planets
  • 8. What causes day and night on Earth?
A) it tilted axis
B) its revolution
C) its rotation
D) its orbit around the sun
  • 9. What causes the phases of the moon
A) The sun's gravity
B) The moon's orbit
C) The earth's orbit
D) The earth's rotation
  • 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) rotation
C) revolution
D) the planet's size
  • 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-minute
B) Light-year
C) AU
D) 1 trillion miles
  • 14. What causes a lunar eclipse?
A) The earth passes through the moon's shadow.
B) The moon passes through the earth's shadow.
C) The earth passes through the sun's shadow.
D) The moon passes through it's own 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) Milky Way
B) The Big Bang
C) Andromeda
D) One way
  • 17. What type of galaxy is ours?
A) Regular
B) Barred Spiral
C) Elliptical
D) Irregular
  • 18. What is the birthplace of stars
A) asteroid belt
B) constellation
C) Maine Medical Center
D) Nebula
  • 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) atmosphere
B) size
C) mass
D) moons
  • 21. How far away is the sun from the earth?
A) 93 million miles
B) 93 billion miles
C) 93 thousand miles
D) 1 light year
  • 22. What causes the aurora borealis?
A) fireworks
B) solar wind
C) the moon
D) sunset
  • 23. Which planet has the shortest year?
A) Moon
B) Mercury
C) Earth
D) Mars
  • 24. Between which two planets are most of the asteroids located?
A) Saturn and Uranus
B) Uranus and Neptune
C) Mars and Jupiter
D) Jupiter and Saturn
  • 25. Which planet is farthest from earth?
A) Neptune
B) jupiter
C) Mars
D) uranus
  • 26. Why is Earth unique in the solar system?
A) It has a moon
B) It has volcanoes
C) It has life
D) It is the last inner planet
  • 27. What causes the comet's tail?
A) solar wind
B) the asteroids
C) astronomers aren't sure
D) the gravity of the sun
  • 28. What is unusual about most comets orbits?
A) The don't orbit they hit the sun.
B) It is very elliptical
C) They are perfectly circular
D) They travel in the opposite direction around the sun
  • 29. A meteorite can be seen
A) floating in space
B) Near Jupiter's rings
C) on the earth's surface
D) streaking through the atmosphere
  • 30. A meteor can be seen
A) streaking through earth's atmosphere
B) all of these answers
C) on earth's surface
D) floating in space
  • 31. A comet's tail points away from the sun because of
A) sunlight
B) sublimation
C) solar wind
D) it does not point away from the sun
  • 32. Earth's only natural satellite is
A) the inner planets
B) the moon
C) the sun
D) Hubble Telescope
  • 33. What is the postion of the sun, moon and earth for a new moon?
A) Sun, earth, moon
B) Sun, moon, earth
C) earth, sun, moon
D) moon, earth, sun
  • 34. What is it called as the moon goes from new moon to full moon?
A) waning
B) gibbous
C) crescent
D) waxing
  • 35. What is it called as the moon goes from full to new?
A) crescent
B) waxing
C) gibbous
D) waning
  • 36. How many stars in our galaxy
A) millions
B) infinite
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) huge amount of energy
B) all of these answers
C) an aurora on earth
D) solar wind
  • 39. On which if these would you weigh the least?
A) Venus
B) moon
C) Mars
D) Earth
  • 40. During what phase of the moon does a lunar eclipse take place?
A) Full
B) Last Quarter
C) 1st quarter
D) New
  • 41. During what moon phase does a solar eclipse take place?
A) 1st quarter
B) Full
C) New
D) Last Quarter
  • 42. Why doesn't each eclipse happen every month?
A) It depends on the earth's orbit
B) The moon's orbit is does not line up perfectly with the Earth
C) They do occur once a month you just can't seem them from all places on 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) 186,000 m/s
B) light-year
C) AU
D) light mile
  • 45. Scientist believe that the Earth and our solar system are about how old?
A) 13.7 billion years
B) 4.5 million year
C) 13.7 million years
D) 4.5 billion years
  • 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) Aurora Borealis
B) Holy Aurora
C) Aurora Antarctica
D) Aurora Australis
  • 48. Why doesn't a comet far away from the sun have a tail?
A) It turns into rock
B) It's too small
C) It's going too fast
D) It's too cold
  • 49. Astronomers think the universe is about...
A) 14 billion years old
B) 4 billion years old
C) 1 million years old
D) 1 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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