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Astronomy 50
Contribuição de: Trieu
(Autor original: Collins)
  • 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, Neptune, Uranus
B) Mercury, Venus, Earth, Mars, Saturn, Jupiter, Uranus, Neptune
C) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune
D) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus
  • 5. Who is the father of Astronomy?
A) Copernicus
B) Hubble
C) Armstrong
D) Galileo
  • 6. What is the name of the telescope which orbits Earth?
A) Hubble
B) Galileo Probe
C) Armstrong
D) International Space Station
  • 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 orbit around the sun
B) its rotation
C) it tilted axis
D) its revolution
  • 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) 29 days
B) 2 weeks
C) 1 week
D) 1 year
  • 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) Alan Shepard
B) Buzz Aldren
C) Neil Armstrong
D) John Glenn
  • 13. Which measurement is the largest distance
A) AU
B) 1 trillion miles
C) light-minute
D) Light-year
  • 14. What causes a lunar eclipse?
A) The moon passes through the earth's shadow.
B) The moon passes through it's own shadow.
C) The earth passes through the moon's shadow.
D) The earth passes through the sun'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 moon passes through the earth's shadow.
D) The earth passes through the moon's shadow.
  • 16. What is the name of our galaxy?
A) The Big Bang
B) Milky Way
C) One way
D) Andromeda
  • 17. What type of galaxy is ours?
A) Irregular
B) Elliptical
C) Barred Spiral
D) Regular
  • 18. What is the birthplace of stars
A) constellation
B) Nebula
C) Maine Medical Center
D) asteroid belt
  • 19. The Big Bang Theory explains.....
A) the formation of the universe
B) how stars explode
C) how long it will take to travel in space
D) how the sound travels through space
  • 20. The gravity of a body in space depends on its
A) mass
B) atmosphere
C) size
D) moons
  • 21. How far away is the sun from the earth?
A) 93 billion miles
B) 1 light year
C) 93 thousand miles
D) 93 million miles
  • 22. What causes the aurora borealis?
A) the moon
B) fireworks
C) sunset
D) solar wind
  • 23. Which planet has the shortest year?
A) Mars
B) Earth
C) Mercury
D) Moon
  • 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) Mars
C) uranus
D) jupiter
  • 26. Why is Earth unique in the solar system?
A) It has life
B) It has volcanoes
C) It has a moon
D) It is the last inner planet
  • 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) 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) on the earth's surface
C) streaking through the atmosphere
D) Near Jupiter's rings
  • 30. A meteor can be seen
A) streaking through earth's atmosphere
B) all of these answers
C) floating in space
D) on earth's surface
  • 31. A comet's tail points away from the sun because of
A) sublimation
B) sunlight
C) solar wind
D) it does not point away from the sun
  • 32. Earth's only natural satellite is
A) the moon
B) Hubble Telescope
C) the inner planets
D) the sun
  • 33. What is the postion of the sun, moon and earth for a new moon?
A) Sun, earth, moon
B) moon, earth, sun
C) Sun, moon, earth
D) earth, sun, moon
  • 34. What is it called as the moon goes from new moon to full moon?
A) crescent
B) waning
C) waxing
D) gibbous
  • 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) infinite
B) billions
C) millions
D) one, the sun
  • 37. A huge exploding star is called a
A) supernova
B) solar event
C) astro nova
D) nebula
  • 38. A solar flare creates
A) all of these answers
B) huge amount of energy
C) solar wind
D) an aurora on earth
  • 39. On which if these would you weigh the least?
A) Earth
B) moon
C) Venus
D) Mars
  • 40. During what phase of the moon does a lunar eclipse take place?
A) 1st quarter
B) Full
C) Last Quarter
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) They do occur once a month you just can't seem them from all places on the earth
B) It depends on what time of year it is
C) It depends on the earth's orbit
D) The moon's orbit is does not line up perfectly with 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) 186,000 m/s
C) light-year
D) AU
  • 45. Scientist believe that the Earth and our solar system are about how old?
A) 4.5 million year
B) 13.7 billion years
C) 13.7 million years
D) 4.5 billion years
  • 46. What measurement is used for distances within our solar system
A) light-years
B) AU's
C) light-seconds
D) meters
  • 47. What is the name of the aurora in the southern hemisphere
A) Aurora Australis
B) Aurora Borealis
C) Aurora Antarctica
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 too cold
C) It's going too fast
D) It's too small
  • 49. Astronomers think the universe is about...
A) 1 billion years old
B) 4 billion years old
C) 14 billion years old
D) 1 million years old
  • 50. Astronomers think the universe is
A) expanding
B) standing still
C) shrinking
D) None of the answers are correct
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