Astronomy 50
  • 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) False
B) True
  • 3. Which planet is largest?
A) Jupiter
B) Saturn
C) Mercury
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, Neptune, Uranus
C) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune
D) Mercury, Venus, Earth, Mars, Saturn, Jupiter, Neptune, Uranus
  • 5. Who is the father of Astronomy?
A) Galileo
B) Hubble
C) Armstrong
D) Copernicus
  • 6. What is the name of the telescope which orbits Earth?
A) Hubble
B) Galileo Probe
C) International Space Station
D) Armstrong
  • 7. Which planets are considered terrestrial
A) gas planets
B) planets with rings
C) inner planets
D) outer planets
  • 8. What causes day and night on Earth?
A) its orbit around the sun
B) its revolution
C) it tilted axis
D) its rotation
  • 9. What causes the phases of the moon
A) The earth's orbit
B) The earth's rotation
C) The sun's gravity
D) The moon's orbit
  • 10. How long does it take for the moon to complete all of its phases?
A) 1 week
B) 2 weeks
C) 29 days
D) 1 year
  • 11. What determines length of year on a planet
A) its axis
B) rotation
C) revolution
D) the planet's size
  • 12. Who was the first person on the moon?
A) John Glenn
B) Alan Shepard
C) Buzz Aldren
D) Neil Armstrong
  • 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 moon passes through the earth's shadow.
B) The moon passes through it's own shadow.
C) The earth passes through the sun's shadow.
D) The earth passes through the moon's shadow.
  • 15. What causes a solar eclipse?
A) The earth passes through the moon's shadow.
B) The sun passes through the earth's shadow.
C) The earth passes through the sun's shadow.
D) The moon passes through the earth's shadow.
  • 16. What is the name of our galaxy?
A) One way
B) Milky Way
C) Andromeda
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) asteroid belt
B) Maine Medical Center
C) constellation
D) Nebula
  • 19. The Big Bang Theory explains.....
A) how long it will take to travel in space
B) how stars explode
C) the formation of the universe
D) how the sound travels through space
  • 20. The gravity of a body in space depends on its
A) atmosphere
B) moons
C) size
D) mass
  • 21. How far away is the sun from the earth?
A) 1 light year
B) 93 million miles
C) 93 billion miles
D) 93 thousand miles
  • 22. What causes the aurora borealis?
A) fireworks
B) solar wind
C) sunset
D) the moon
  • 23. Which planet has the shortest year?
A) Earth
B) Mercury
C) Mars
D) Moon
  • 24. Between which two planets are most of the asteroids located?
A) Uranus and Neptune
B) Mars and Jupiter
C) Saturn and Uranus
D) Jupiter and Saturn
  • 25. Which planet is farthest from earth?
A) Mars
B) uranus
C) jupiter
D) Neptune
  • 26. Why is Earth unique in the solar system?
A) It has life
B) It is the last inner planet
C) It has volcanoes
D) It has a moon
  • 27. What causes the comet's tail?
A) the gravity of the sun
B) the asteroids
C) astronomers aren't sure
D) solar wind
  • 28. What is unusual about most comets orbits?
A) The don't orbit they hit the sun.
B) It is very elliptical
C) They are perfectly circular
D) They travel in the opposite direction around 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) 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 inner planets
D) the moon
  • 33. What is the postion of the sun, moon and earth for a new moon?
A) Sun, moon, earth
B) moon, earth, sun
C) earth, sun, moon
D) Sun, earth, moon
  • 34. What is it called as the moon goes from new moon to full moon?
A) waxing
B) waning
C) gibbous
D) crescent
  • 35. What is it called as the moon goes from full to new?
A) waning
B) waxing
C) gibbous
D) crescent
  • 36. How many stars in our galaxy
A) infinite
B) millions
C) billions
D) one, the sun
  • 37. A huge exploding star is called a
A) astro nova
B) supernova
C) nebula
D) solar event
  • 38. A solar flare creates
A) solar wind
B) all of these answers
C) an aurora on earth
D) huge amount of energy
  • 39. On which if these would you weigh the least?
A) Earth
B) Venus
C) moon
D) Mars
  • 40. During what phase of the moon does a lunar eclipse take place?
A) Full
B) New
C) Last Quarter
D) 1st quarter
  • 41. During what moon phase does a solar eclipse take place?
A) 1st quarter
B) Last Quarter
C) New
D) Full
  • 42. Why doesn't each eclipse happen every month?
A) It depends on the earth's orbit
B) It depends on what time of year it is
C) They do occur once a month you just can't seem them from all places on the earth
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) False
B) True
  • 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) 13.7 million years
B) 4.5 billion years
C) 13.7 billion years
D) 4.5 million year
  • 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 Australis
B) Aurora Borealis
C) Holy Aurora
D) Aurora Antarctica
  • 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 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) expanding
B) None of the answers are correct
C) shrinking
D) standing still
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