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) True
B) False
  • 3. Which planet is largest?
A) Saturn
B) Jupiter
C) Uranus
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) Copernicus
B) Armstrong
C) Galileo
D) Hubble
  • 6. What is the name of the telescope which orbits Earth?
A) Galileo Probe
B) Hubble
C) Armstrong
D) International Space Station
  • 7. Which planets are considered terrestrial
A) inner planets
B) gas planets
C) outer planets
D) planets with rings
  • 8. What causes day and night on Earth?
A) its orbit around the sun
B) its rotation
C) its revolution
D) it tilted axis
  • 9. What causes the phases of the moon
A) The earth's rotation
B) The earth's orbit
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) 2 weeks
B) 29 days
C) 1 week
D) 1 year
  • 11. What determines length of year on a planet
A) the planet's size
B) rotation
C) revolution
D) its axis
  • 12. Who was the first person on the moon?
A) John Glenn
B) Alan Shepard
C) Buzz Aldren
D) Neil Armstrong
  • 13. Which measurement is the largest distance
A) AU
B) Light-year
C) 1 trillion miles
D) light-minute
  • 14. What causes a lunar eclipse?
A) The earth passes through the moon's shadow.
B) The moon passes through it's own shadow.
C) The earth passes through the sun's shadow.
D) The moon passes through the earth's shadow.
  • 15. What causes a solar eclipse?
A) The earth passes through the moon's shadow.
B) The sun passes through the earth's shadow.
C) The moon passes through the earth's shadow.
D) The earth passes through the sun's shadow.
  • 16. What is the name of our galaxy?
A) One way
B) Andromeda
C) Milky Way
D) The Big Bang
  • 17. What type of galaxy is ours?
A) Elliptical
B) Irregular
C) Barred Spiral
D) Regular
  • 18. What is the birthplace of stars
A) asteroid belt
B) Maine Medical Center
C) Nebula
D) constellation
  • 19. The Big Bang Theory explains.....
A) how the sound travels through space
B) how long it will take to travel in space
C) how stars explode
D) the formation of the universe
  • 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) sunset
C) fireworks
D) the moon
  • 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) Saturn and Uranus
B) Mars and Jupiter
C) Uranus and Neptune
D) Jupiter and Saturn
  • 25. Which planet is farthest from earth?
A) Neptune
B) Mars
C) uranus
D) jupiter
  • 26. Why is Earth unique in the solar system?
A) It has a moon
B) It has life
C) It has volcanoes
D) It is the last inner planet
  • 27. What causes the comet's tail?
A) solar wind
B) the gravity of the sun
C) astronomers aren't sure
D) the asteroids
  • 28. What is unusual about most comets orbits?
A) It is very elliptical
B) They travel in the opposite direction around the sun
C) They are perfectly circular
D) The don't orbit they hit the sun.
  • 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) on earth's surface
B) all of these answers
C) floating in space
D) streaking through earth's atmosphere
  • 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) sunlight
D) sublimation
  • 32. Earth's only natural satellite is
A) the sun
B) Hubble Telescope
C) the moon
D) the inner planets
  • 33. What is the postion of the sun, moon and earth for a new moon?
A) Sun, moon, earth
B) moon, earth, sun
C) Sun, earth, moon
D) earth, sun, moon
  • 34. What is it called as the moon goes from new moon to full moon?
A) gibbous
B) waning
C) waxing
D) crescent
  • 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) one, the sun
B) millions
C) infinite
D) billions
  • 37. A huge exploding star is called a
A) nebula
B) solar event
C) supernova
D) astro nova
  • 38. A solar flare creates
A) solar wind
B) huge amount of energy
C) all of these answers
D) an aurora on earth
  • 39. On which if these would you weigh the least?
A) Venus
B) moon
C) Earth
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) New
B) 1st quarter
C) Last Quarter
D) Full
  • 42. Why doesn't each eclipse happen every month?
A) The moon's orbit is does not line up perfectly with the Earth
B) It depends on what time of year it is
C) They do occur once a month you just can't seem them from all places on 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-year
C) AU
D) light mile
  • 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) 4.5 billion years
D) 13.7 billion years
  • 46. What measurement is used for distances within our solar system
A) meters
B) light-seconds
C) light-years
D) AU's
  • 47. What is the name of the aurora in the southern hemisphere
A) Aurora Antarctica
B) Aurora Australis
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 cold
D) It's too small
  • 49. Astronomers think the universe is about...
A) 1 million years old
B) 4 billion years old
C) 14 billion years old
D) 1 billion years old
  • 50. Astronomers think the universe is
A) None of the answers are correct
B) expanding
C) standing still
D) shrinking
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