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) False
B) True
  • 3. Which planet is largest?
A) Saturn
B) Uranus
C) Mercury
D) Jupiter
  • 4. Name the order of the planets
A) Mercury, Venus, Earth, Mars, Saturn, Jupiter, Neptune, Uranus
B) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus
C) Mercury, Venus, Earth, Mars, Saturn, Jupiter, Uranus, Neptune
D) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune
  • 5. Who is the father of Astronomy?
A) Galileo
B) Copernicus
C) Armstrong
D) Hubble
  • 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) inner planets
C) planets with rings
D) outer 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 earth's rotation
B) The earth's orbit
C) The moon's orbit
D) The sun's gravity
  • 10. How long does it take for the moon to complete all of its phases?
A) 1 week
B) 1 year
C) 29 days
D) 2 weeks
  • 11. What determines length of year on a planet
A) rotation
B) its axis
C) the planet's size
D) revolution
  • 12. Who was the first person on the moon?
A) Buzz Aldren
B) John Glenn
C) Alan Shepard
D) Neil Armstrong
  • 13. Which measurement is the largest distance
A) Light-year
B) 1 trillion miles
C) AU
D) light-minute
  • 14. What causes a lunar eclipse?
A) The earth passes through the moon's shadow.
B) The moon passes through it's own shadow.
C) The moon passes through the earth's shadow.
D) The earth passes through the sun'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) One way
B) Andromeda
C) Milky Way
D) The Big Bang
  • 17. What type of galaxy is ours?
A) Barred Spiral
B) Regular
C) Irregular
D) Elliptical
  • 18. What is the birthplace of stars
A) asteroid belt
B) constellation
C) Maine Medical Center
D) Nebula
  • 19. The Big Bang Theory explains.....
A) how long it will take to travel in space
B) how stars explode
C) how the sound travels through space
D) the formation of the universe
  • 20. The gravity of a body in space depends on its
A) atmosphere
B) moons
C) mass
D) size
  • 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) the moon
D) sunset
  • 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) Jupiter and Saturn
B) Uranus and Neptune
C) Mars and Jupiter
D) Saturn and Uranus
  • 25. Which planet is farthest from earth?
A) jupiter
B) Mars
C) Neptune
D) uranus
  • 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) solar wind
B) astronomers aren't sure
C) the asteroids
D) the gravity of the sun
  • 28. What is unusual about most comets orbits?
A) It is very elliptical
B) They travel in the opposite direction around the sun
C) The don't orbit they hit the sun.
D) They are perfectly circular
  • 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) floating in space
C) all of these answers
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) the sun
C) Hubble Telescope
D) the inner planets
  • 33. What is the postion of the sun, moon and earth for a new moon?
A) moon, earth, sun
B) Sun, earth, moon
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) gibbous
C) waxing
D) waning
  • 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) infinite
B) billions
C) millions
D) one, the sun
  • 37. A huge exploding star is called a
A) supernova
B) astro nova
C) nebula
D) solar event
  • 38. A solar flare creates
A) all of these answers
B) an aurora on earth
C) huge amount of energy
D) solar wind
  • 39. On which if these would you weigh the least?
A) Mars
B) Earth
C) moon
D) Venus
  • 40. During what phase of the moon does a lunar eclipse take place?
A) Full
B) 1st quarter
C) Last Quarter
D) New
  • 41. During what moon phase does a solar eclipse take place?
A) Full
B) New
C) 1st quarter
D) Last 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) They do occur once a month you just can't seem them from all places on the earth
C) It depends on the earth's orbit
D) It depends on what time of year it is
  • 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) light-year
C) AU
D) 186,000 m/s
  • 45. Scientist believe that the Earth and our solar system are about how old?
A) 4.5 billion years
B) 13.7 billion years
C) 13.7 million years
D) 4.5 million year
  • 46. What measurement is used for distances within our solar system
A) meters
B) light-years
C) AU's
D) light-seconds
  • 47. What is the name of the aurora in the southern hemisphere
A) Aurora Borealis
B) Aurora Australis
C) Aurora Antarctica
D) Holy Aurora
  • 48. Why doesn't a comet far away from the sun have a tail?
A) It's too small
B) It turns into rock
C) It's going too fast
D) It's too cold
  • 49. Astronomers think the universe is about...
A) 1 million years old
B) 14 billion years old
C) 4 billion years old
D) 1 billion years old
  • 50. Astronomers think the universe is
A) shrinking
B) standing still
C) None of the answers are correct
D) expanding
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