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, Uranus, Neptune
B) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune
C) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus
D) Mercury, Venus, Earth, Mars, Saturn, Jupiter, Neptune, Uranus
  • 5. Who is the father of Astronomy?
A) Galileo
B) Armstrong
C) Copernicus
D) Hubble
  • 6. What is the name of the telescope which orbits Earth?
A) Armstrong
B) Hubble
C) International Space Station
D) Galileo Probe
  • 7. Which planets are considered terrestrial
A) outer planets
B) gas planets
C) planets with rings
D) inner planets
  • 8. What causes day and night on Earth?
A) its rotation
B) its revolution
C) its orbit around the sun
D) it tilted axis
  • 9. What causes the phases of the moon
A) The sun's gravity
B) The earth's rotation
C) The earth's orbit
D) The moon's orbit
  • 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) the planet's size
D) rotation
  • 12. Who was the first person on the moon?
A) Buzz Aldren
B) Neil Armstrong
C) John Glenn
D) Alan Shepard
  • 13. Which measurement is the largest distance
A) AU
B) 1 trillion miles
C) Light-year
D) light-minute
  • 14. What causes a lunar eclipse?
A) The moon passes through the earth's shadow.
B) The earth passes through the sun's shadow.
C) The moon passes through it's own shadow.
D) The earth passes through the moon's shadow.
  • 15. What causes a solar eclipse?
A) The sun passes through the earth's shadow.
B) The moon passes through the earth's shadow.
C) The earth passes through the sun's shadow.
D) The earth passes through the moon'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) Elliptical
B) Regular
C) Irregular
D) Barred Spiral
  • 18. What is the birthplace of stars
A) Maine Medical Center
B) constellation
C) Nebula
D) asteroid belt
  • 19. The Big Bang Theory explains.....
A) the formation of the universe
B) how long it will take to travel in space
C) how the sound travels through space
D) how stars explode
  • 20. The gravity of a body in space depends on its
A) mass
B) size
C) atmosphere
D) moons
  • 21. How far away is the sun from the earth?
A) 93 billion miles
B) 93 thousand miles
C) 93 million miles
D) 1 light year
  • 22. What causes the aurora borealis?
A) solar wind
B) fireworks
C) sunset
D) the moon
  • 23. Which planet has the shortest year?
A) Mercury
B) Moon
C) Mars
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) jupiter
B) Neptune
C) uranus
D) Mars
  • 26. Why is Earth unique in the solar system?
A) It has a moon
B) It is the last inner planet
C) It has life
D) It has volcanoes
  • 27. What causes the comet's tail?
A) astronomers aren't sure
B) the asteroids
C) solar wind
D) the gravity of the sun
  • 28. What is unusual about most comets orbits?
A) It is very elliptical
B) They are perfectly circular
C) They travel in the opposite direction around the sun
D) The don't orbit they hit the sun.
  • 29. A meteorite can be seen
A) Near Jupiter's rings
B) streaking through the atmosphere
C) floating in space
D) on the earth's surface
  • 30. A meteor can be seen
A) on earth's surface
B) streaking through earth's atmosphere
C) all of these answers
D) floating in space
  • 31. A comet's tail points away from the sun because of
A) sublimation
B) solar wind
C) it does not point away from the sun
D) sunlight
  • 32. Earth's only natural satellite is
A) the inner planets
B) Hubble Telescope
C) the moon
D) the sun
  • 33. What is the postion of the sun, moon and earth for a new moon?
A) Sun, moon, earth
B) moon, earth, sun
C) earth, sun, moon
D) Sun, earth, 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) waxing
C) gibbous
D) crescent
  • 36. How many stars in our galaxy
A) billions
B) one, the sun
C) infinite
D) millions
  • 37. A huge exploding star is called a
A) supernova
B) nebula
C) astro nova
D) solar event
  • 38. A solar flare creates
A) huge amount of energy
B) all of these answers
C) solar wind
D) an aurora on earth
  • 39. On which if these would you weigh the least?
A) moon
B) Earth
C) Venus
D) Mars
  • 40. During what phase of the moon does a lunar eclipse take place?
A) 1st quarter
B) Last Quarter
C) Full
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 what time of year it is
B) The moon's orbit is does not line up perfectly with the Earth
C) It depends on the earth's orbit
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) AU
B) light mile
C) 186,000 m/s
D) light-year
  • 45. Scientist believe that the Earth and our solar system are about how old?
A) 4.5 billion years
B) 13.7 billion years
C) 4.5 million year
D) 13.7 million years
  • 46. What measurement is used for distances within our solar system
A) AU's
B) meters
C) light-seconds
D) light-years
  • 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 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) 4 billion years old
B) 1 million years old
C) 1 billion years old
D) 14 billion years old
  • 50. Astronomers think the universe is
A) None of the answers are correct
B) standing still
C) expanding
D) shrinking
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