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Astronomy 50
Con il contributo di: Trieu
(Autore originale: 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) Uranus
B) Mercury
C) Jupiter
D) Saturn
  • 4. Name the order of the planets
A) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus
B) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune
C) Mercury, Venus, Earth, Mars, Saturn, Jupiter, Neptune, Uranus
D) Mercury, Venus, Earth, Mars, Saturn, Jupiter, Uranus, Neptune
  • 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) Galileo Probe
B) Hubble
C) Armstrong
D) International Space Station
  • 7. Which planets are considered terrestrial
A) outer planets
B) inner planets
C) gas planets
D) planets with rings
  • 8. What causes day and night on Earth?
A) its rotation
B) its orbit around the sun
C) its revolution
D) it tilted axis
  • 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) 29 days
B) 1 week
C) 2 weeks
D) 1 year
  • 11. What determines length of year on a planet
A) revolution
B) its axis
C) rotation
D) the planet's size
  • 12. Who was the first person on the moon?
A) Neil Armstrong
B) Buzz Aldren
C) John Glenn
D) Alan Shepard
  • 13. Which measurement is the largest distance
A) light-minute
B) Light-year
C) 1 trillion miles
D) AU
  • 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 sun passes through the earth's shadow.
B) The moon passes through the earth's shadow.
C) The earth passes through the moon's shadow.
D) The earth passes through the sun's shadow.
  • 16. What is the name of our galaxy?
A) Milky Way
B) The Big Bang
C) One way
D) Andromeda
  • 17. What type of galaxy is ours?
A) Elliptical
B) Irregular
C) Barred Spiral
D) Regular
  • 18. What is the birthplace of stars
A) Maine Medical Center
B) asteroid belt
C) constellation
D) Nebula
  • 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) atmosphere
B) mass
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) sunset
B) solar wind
C) fireworks
D) the moon
  • 23. Which planet has the shortest year?
A) Earth
B) Moon
C) Mercury
D) Mars
  • 24. Between which two planets are most of the asteroids located?
A) Mars and Jupiter
B) Uranus and Neptune
C) Jupiter and Saturn
D) Saturn and Uranus
  • 25. Which planet is farthest from earth?
A) jupiter
B) uranus
C) Mars
D) Neptune
  • 26. Why is Earth unique in the solar system?
A) It has life
B) It has volcanoes
C) It is the last inner planet
D) It has a moon
  • 27. What causes the comet's tail?
A) solar wind
B) astronomers aren't sure
C) the gravity of the sun
D) the asteroids
  • 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) on the earth's surface
D) floating in space
  • 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 sun
B) the moon
C) Hubble Telescope
D) the inner planets
  • 33. What is the postion of the sun, moon and earth for a new moon?
A) earth, sun, moon
B) moon, earth, sun
C) Sun, moon, earth
D) Sun, earth, moon
  • 34. What is it called as the moon goes from new moon to full moon?
A) waning
B) crescent
C) waxing
D) gibbous
  • 35. What is it called as the moon goes from full to new?
A) waxing
B) crescent
C) gibbous
D) waning
  • 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) astro nova
B) nebula
C) solar event
D) supernova
  • 38. A solar flare creates
A) an aurora on earth
B) huge amount of energy
C) solar wind
D) all of these answers
  • 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) New
C) 1st quarter
D) Full
  • 41. During what moon phase does a solar eclipse take place?
A) New
B) 1st quarter
C) Full
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) 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) 13.7 billion years
B) 4.5 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) light-seconds
C) meters
D) light-years
  • 47. What is the name of the aurora in the southern hemisphere
A) Aurora Antarctica
B) Aurora Borealis
C) Aurora Australis
D) Holy Aurora
  • 48. Why doesn't a comet far away from the sun have a tail?
A) It's going too fast
B) It turns into rock
C) It's too small
D) It's too cold
  • 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) shrinking
C) expanding
D) standing still
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