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) Jupiter
B) Mercury
C) Saturn
D) Uranus
  • 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, Saturn, Jupiter, Neptune, Uranus
D) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus
  • 5. Who is the father of Astronomy?
A) Copernicus
B) Galileo
C) Hubble
D) Armstrong
  • 6. What is the name of the telescope which orbits Earth?
A) Armstrong
B) Hubble
C) Galileo Probe
D) International Space Station
  • 7. Which planets are considered terrestrial
A) outer planets
B) gas planets
C) inner planets
D) planets with rings
  • 8. What causes day and night on Earth?
A) its rotation
B) it tilted axis
C) its revolution
D) its orbit around the sun
  • 9. What causes the phases of the moon
A) The earth's rotation
B) The moon's orbit
C) The earth's orbit
D) The sun's gravity
  • 10. How long does it take for the moon to complete all of its phases?
A) 1 year
B) 29 days
C) 1 week
D) 2 weeks
  • 11. What determines length of year on a planet
A) the planet's size
B) rotation
C) its axis
D) revolution
  • 12. Who was the first person on the moon?
A) Neil Armstrong
B) Alan Shepard
C) Buzz Aldren
D) John Glenn
  • 13. Which measurement is the largest distance
A) light-minute
B) 1 trillion miles
C) Light-year
D) AU
  • 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 the earth's shadow.
D) The moon passes through it's own shadow.
  • 15. What causes a solar eclipse?
A) The earth passes through the sun's shadow.
B) The earth passes through the moon's shadow.
C) The moon passes through the earth's shadow.
D) The sun passes through the earth's shadow.
  • 16. What is the name of our galaxy?
A) Andromeda
B) Milky Way
C) One way
D) The Big Bang
  • 17. What type of galaxy is ours?
A) Elliptical
B) Regular
C) Barred Spiral
D) Irregular
  • 18. What is the birthplace of stars
A) Nebula
B) Maine Medical Center
C) constellation
D) asteroid belt
  • 19. The Big Bang Theory explains.....
A) the formation of the universe
B) how stars explode
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) size
B) atmosphere
C) moons
D) mass
  • 21. How far away is the sun from the earth?
A) 93 billion miles
B) 1 light year
C) 93 million miles
D) 93 thousand miles
  • 22. What causes the aurora borealis?
A) sunset
B) the moon
C) solar wind
D) fireworks
  • 23. Which planet has the shortest year?
A) Earth
B) Mars
C) Mercury
D) Moon
  • 24. Between which two planets are most of the asteroids located?
A) Jupiter and Saturn
B) Saturn and Uranus
C) Mars and Jupiter
D) Uranus and Neptune
  • 25. Which planet is farthest from earth?
A) uranus
B) jupiter
C) Neptune
D) Mars
  • 26. Why is Earth unique in the solar system?
A) It has a moon
B) It has volcanoes
C) It has life
D) It is the last inner planet
  • 27. What causes the comet's tail?
A) the asteroids
B) astronomers aren't sure
C) solar wind
D) the gravity of the sun
  • 28. What is unusual about most comets orbits?
A) It is very elliptical
B) They are perfectly circular
C) The don't orbit they hit the sun.
D) They travel in the opposite direction around the sun
  • 29. A meteorite can be seen
A) Near Jupiter's rings
B) on the earth's surface
C) floating in space
D) streaking through the atmosphere
  • 30. A meteor can be seen
A) floating in space
B) streaking through earth's atmosphere
C) all of these answers
D) on earth's surface
  • 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) earth, sun, moon
B) moon, earth, sun
C) Sun, earth, moon
D) Sun, moon, earth
  • 34. What is it called as the moon goes from new moon to full moon?
A) waxing
B) gibbous
C) waning
D) crescent
  • 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) billions
D) millions
  • 37. A huge exploding star is called a
A) astro nova
B) solar event
C) supernova
D) nebula
  • 38. A solar flare creates
A) solar wind
B) huge amount of energy
C) an aurora on earth
D) all of these answers
  • 39. On which if these would you weigh the least?
A) Mars
B) moon
C) Venus
D) Earth
  • 40. During what phase of the moon does a lunar eclipse take place?
A) New
B) Last Quarter
C) Full
D) 1st quarter
  • 41. During what moon phase does a solar eclipse take place?
A) New
B) Full
C) 1st quarter
D) Last Quarter
  • 42. Why doesn't each eclipse happen every month?
A) It depends on what time of year it is
B) It depends on the earth's orbit
C) The moon's orbit is does not line up perfectly with the Earth
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 million year
D) 4.5 billion years
  • 46. What measurement is used for distances within our solar system
A) AU's
B) meters
C) light-years
D) light-seconds
  • 47. What is the name of the aurora in the southern hemisphere
A) Holy Aurora
B) Aurora Borealis
C) Aurora Antarctica
D) Aurora Australis
  • 48. Why doesn't a comet far away from the sun have a tail?
A) It's too small
B) It's too cold
C) It turns into rock
D) It's going too fast
  • 49. Astronomers think the universe is about...
A) 14 billion years old
B) 4 billion years old
C) 1 billion years old
D) 1 million 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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