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Astronomy 50
供稿人: Trieu
(原作者: Collins)
  • 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) Jupiter
B) Mercury
C) Saturn
D) Uranus
  • 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, Jupiter, Saturn, Neptune, Uranus
D) Mercury, Venus, Earth, Mars, Saturn, Jupiter, Uranus, Neptune
  • 5. Who is the father of Astronomy?
A) Hubble
B) Armstrong
C) Copernicus
D) Galileo
  • 6. What is the name of the telescope which orbits Earth?
A) Hubble
B) Armstrong
C) International Space Station
D) Galileo Probe
  • 7. Which planets are considered terrestrial
A) planets with rings
B) inner planets
C) outer planets
D) gas 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 moon's orbit
B) The sun's gravity
C) The earth's rotation
D) The earth's orbit
  • 10. How long does it take for the moon to complete all of its phases?
A) 1 year
B) 2 weeks
C) 1 week
D) 29 days
  • 11. What determines length of year on a planet
A) rotation
B) its axis
C) the planet's size
D) revolution
  • 12. Who was the first person on the moon?
A) Buzz Aldren
B) John Glenn
C) Alan Shepard
D) Neil Armstrong
  • 13. Which measurement is the largest distance
A) 1 trillion miles
B) Light-year
C) AU
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 sun's shadow.
B) The sun passes through the earth's shadow.
C) The earth passes through the moon'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) Elliptical
B) Barred Spiral
C) Regular
D) Irregular
  • 18. What is the birthplace of stars
A) Nebula
B) asteroid belt
C) constellation
D) Maine Medical Center
  • 19. The Big Bang Theory explains.....
A) how stars explode
B) the formation of the universe
C) how the sound travels through space
D) how long it will take to travel in space
  • 20. The gravity of a body in space depends on its
A) atmosphere
B) mass
C) size
D) moons
  • 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) sunset
C) solar wind
D) the moon
  • 23. Which planet has the shortest year?
A) Moon
B) Earth
C) Mars
D) Mercury
  • 24. Between which two planets are most of the asteroids located?
A) Uranus and Neptune
B) Jupiter and Saturn
C) Saturn and Uranus
D) Mars and Jupiter
  • 25. Which planet is farthest from earth?
A) jupiter
B) Mars
C) uranus
D) Neptune
  • 26. Why is Earth unique in the solar system?
A) It is the last inner planet
B) It has a moon
C) It has volcanoes
D) It has life
  • 27. What causes the comet's tail?
A) the gravity of the sun
B) astronomers aren't sure
C) solar wind
D) the asteroids
  • 28. What is unusual about most comets orbits?
A) They are perfectly circular
B) They travel in the opposite direction around the sun
C) It is very elliptical
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) 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) solar wind
C) sublimation
D) it does not point away from the sun
  • 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) Sun, earth, moon
B) earth, sun, moon
C) moon, earth, sun
D) Sun, moon, earth
  • 34. What is it called as the moon goes from new moon to full moon?
A) waxing
B) waning
C) crescent
D) gibbous
  • 35. What is it called as the moon goes from full to new?
A) gibbous
B) crescent
C) waning
D) waxing
  • 36. How many stars in our galaxy
A) one, the sun
B) infinite
C) millions
D) billions
  • 37. A huge exploding star is called a
A) supernova
B) astro nova
C) solar event
D) nebula
  • 38. A solar flare creates
A) solar wind
B) all of these answers
C) huge amount of energy
D) an aurora on earth
  • 39. On which if these would you weigh the least?
A) Mars
B) Venus
C) Earth
D) moon
  • 40. During what phase of the moon does a lunar eclipse take place?
A) 1st quarter
B) New
C) Last Quarter
D) Full
  • 41. During what moon phase does a solar eclipse take place?
A) Last Quarter
B) Full
C) 1st quarter
D) New
  • 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 the earth's orbit
C) It depends on what time of year it is
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) False
B) True
  • 44. The DISTANCE light travels in one year is called a
A) light mile
B) 186,000 m/s
C) AU
D) light-year
  • 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) 4.5 billion years
D) 13.7 million years
  • 46. What measurement is used for distances within our solar system
A) meters
B) AU's
C) light-years
D) light-seconds
  • 47. What is the name of the aurora in the southern hemisphere
A) Aurora Borealis
B) Holy Aurora
C) Aurora Australis
D) Aurora Antarctica
  • 48. Why doesn't a comet far away from the sun have a tail?
A) It's too small
B) It's going too fast
C) It turns into rock
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) standing still
B) expanding
C) shrinking
D) None of the answers are correct
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