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) Uranus
C) Saturn
D) Mercury
  • 4. Name the order of the planets
A) Mercury, Venus, Earth, Mars, Jupiter, Saturn, 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, Saturn, Jupiter, Neptune, Uranus
  • 5. Who is the father of Astronomy?
A) Armstrong
B) Copernicus
C) Hubble
D) Galileo
  • 6. What is the name of the telescope which orbits Earth?
A) International Space Station
B) Hubble
C) Galileo Probe
D) Armstrong
  • 7. Which planets are considered terrestrial
A) planets with rings
B) inner planets
C) gas planets
D) outer planets
  • 8. What causes day and night on Earth?
A) it tilted axis
B) its orbit around the sun
C) its rotation
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 orbit
D) The earth's rotation
  • 10. How long does it take for the moon to complete all of its phases?
A) 1 week
B) 29 days
C) 2 weeks
D) 1 year
  • 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) John Glenn
C) Alan Shepard
D) Buzz Aldren
  • 13. Which measurement is the largest distance
A) light-minute
B) Light-year
C) AU
D) 1 trillion miles
  • 14. What causes a lunar eclipse?
A) The moon passes through it's own shadow.
B) The moon passes through the earth's 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 moon passes through the earth's shadow.
D) The earth passes through the sun's shadow.
  • 16. What is the name of our galaxy?
A) The Big Bang
B) Milky Way
C) Andromeda
D) One way
  • 17. What type of galaxy is ours?
A) Irregular
B) Elliptical
C) Regular
D) Barred Spiral
  • 18. What is the birthplace of stars
A) asteroid belt
B) Nebula
C) Maine Medical Center
D) constellation
  • 19. The Big Bang Theory explains.....
A) how long it will take to travel in space
B) the formation of the universe
C) how stars explode
D) how the sound travels through space
  • 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) 1 light year
B) 93 thousand miles
C) 93 million miles
D) 93 billion miles
  • 22. What causes the aurora borealis?
A) the moon
B) fireworks
C) solar wind
D) sunset
  • 23. Which planet has the shortest year?
A) Earth
B) Moon
C) Mars
D) Mercury
  • 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) Neptune
C) Mars
D) jupiter
  • 26. Why is Earth unique in the solar system?
A) It is the last inner planet
B) It has life
C) It has a moon
D) It has volcanoes
  • 27. What causes the comet's tail?
A) astronomers aren't sure
B) the asteroids
C) the gravity of the sun
D) solar wind
  • 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) all of these answers
B) floating in space
C) on earth's surface
D) streaking through earth's atmosphere
  • 31. A comet's tail points away from the sun because of
A) solar wind
B) sublimation
C) it does not point away from the sun
D) sunlight
  • 32. Earth's only natural satellite is
A) the moon
B) the sun
C) the inner planets
D) Hubble Telescope
  • 33. What is the postion of the sun, moon and earth for a new moon?
A) Sun, earth, moon
B) earth, sun, moon
C) moon, earth, sun
D) Sun, moon, earth
  • 34. What is it called as the moon goes from new moon to full moon?
A) waxing
B) crescent
C) waning
D) gibbous
  • 35. What is it called as the moon goes from full to new?
A) waxing
B) waning
C) crescent
D) gibbous
  • 36. How many stars in our galaxy
A) billions
B) millions
C) one, the sun
D) infinite
  • 37. A huge exploding star is called a
A) nebula
B) supernova
C) astro nova
D) solar event
  • 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) moon
B) Venus
C) Mars
D) Earth
  • 40. During what phase of the moon does a lunar eclipse take place?
A) 1st quarter
B) Last Quarter
C) New
D) Full
  • 41. During what moon phase does a solar eclipse take place?
A) Full
B) 1st quarter
C) New
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) 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) It depends on the earth's orbit
  • 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-year
B) AU
C) light mile
D) 186,000 m/s
  • 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) meters
B) light-seconds
C) light-years
D) AU's
  • 47. What is the name of the aurora in the southern hemisphere
A) Aurora Borealis
B) Aurora Australis
C) Holy Aurora
D) Aurora Antarctica
  • 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's going too fast
D) It turns into rock
  • 49. Astronomers think the universe is about...
A) 4 billion years old
B) 1 billion years old
C) 14 billion years old
D) 1 million years old
  • 50. Astronomers think the universe is
A) None of the answers are correct
B) expanding
C) standing still
D) shrinking
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