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Astronomy 50
Contribuido por: Trieu
(Autor original: 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) False
B) True
  • 3. Which planet is largest?
A) Saturn
B) Mercury
C) Jupiter
D) Uranus
  • 4. Name the order of the planets
A) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune
B) Mercury, Venus, Earth, Mars, Saturn, Jupiter, Neptune, Uranus
C) Mercury, Venus, Earth, Mars, Saturn, Jupiter, Uranus, Neptune
D) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus
  • 5. Who is the father of Astronomy?
A) Hubble
B) Galileo
C) Armstrong
D) Copernicus
  • 6. What is the name of the telescope which orbits Earth?
A) International Space Station
B) Galileo Probe
C) Armstrong
D) Hubble
  • 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) its revolution
B) its orbit around the sun
C) it tilted axis
D) its rotation
  • 9. What causes the phases of the moon
A) The sun's gravity
B) The earth's orbit
C) The earth's rotation
D) The moon's orbit
  • 10. How long does it take for the moon to complete all of its phases?
A) 1 year
B) 1 week
C) 2 weeks
D) 29 days
  • 11. What determines length of year on a planet
A) revolution
B) the planet's size
C) its axis
D) rotation
  • 12. Who was the first person on the moon?
A) Neil Armstrong
B) Buzz Aldren
C) Alan Shepard
D) John Glenn
  • 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 sun's shadow.
B) The earth passes through the moon's shadow.
C) The moon passes through it's own 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 moon passes through the earth's shadow.
C) The sun passes through the earth's shadow.
D) The earth passes through the sun's shadow.
  • 16. What is the name of our galaxy?
A) Milky Way
B) Andromeda
C) One way
D) The Big Bang
  • 17. What type of galaxy is ours?
A) Barred Spiral
B) Irregular
C) Regular
D) Elliptical
  • 18. What is the birthplace of stars
A) Maine Medical Center
B) Nebula
C) asteroid belt
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) the formation of the universe
D) how stars explode
  • 20. The gravity of a body in space depends on its
A) size
B) mass
C) moons
D) atmosphere
  • 21. How far away is the sun from the earth?
A) 93 million miles
B) 93 billion miles
C) 1 light year
D) 93 thousand miles
  • 22. What causes the aurora borealis?
A) sunset
B) solar wind
C) fireworks
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) 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) uranus
C) Mars
D) jupiter
  • 26. Why is Earth unique in the solar system?
A) It has volcanoes
B) It has a moon
C) It has life
D) It is the last inner planet
  • 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) The don't orbit they hit the sun.
B) They travel in the opposite direction around the sun
C) They are perfectly circular
D) It is very elliptical
  • 29. A meteorite can be seen
A) floating in space
B) on the earth's surface
C) streaking through the atmosphere
D) Near Jupiter's rings
  • 30. A meteor can be seen
A) floating in space
B) on earth's surface
C) all of these answers
D) streaking through earth's atmosphere
  • 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) Hubble Telescope
B) the inner planets
C) the sun
D) the moon
  • 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) waxing
C) gibbous
D) crescent
  • 35. What is it called as the moon goes from full to new?
A) crescent
B) waxing
C) waning
D) gibbous
  • 36. How many stars in our galaxy
A) billions
B) infinite
C) millions
D) one, the sun
  • 37. A huge exploding star is called a
A) solar event
B) astro nova
C) nebula
D) supernova
  • 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) Venus
B) Mars
C) moon
D) Earth
  • 40. During what phase of the moon does a lunar eclipse take place?
A) Last Quarter
B) Full
C) 1st quarter
D) New
  • 41. During what moon phase does a solar eclipse take place?
A) Full
B) New
C) Last Quarter
D) 1st quarter
  • 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) True
B) False
  • 44. The DISTANCE light travels in one year is called a
A) light mile
B) AU
C) 186,000 m/s
D) light-year
  • 45. Scientist believe that the Earth and our solar system are about how old?
A) 13.7 billion years
B) 13.7 million years
C) 4.5 billion years
D) 4.5 million year
  • 46. What measurement is used for distances within our solar system
A) AU's
B) light-seconds
C) light-years
D) meters
  • 47. What is the name of the aurora in the southern hemisphere
A) Aurora Borealis
B) Aurora Antarctica
C) Holy Aurora
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) 1 million years old
B) 4 billion 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) shrinking
D) expanding
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