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) Uranus
C) Mercury
D) Saturn
  • 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) Armstrong
B) Hubble
C) Galileo
D) Copernicus
  • 6. What is the name of the telescope which orbits Earth?
A) Armstrong
B) Hubble
C) International Space Station
D) Galileo Probe
  • 7. Which planets are considered terrestrial
A) gas planets
B) inner planets
C) outer planets
D) planets with rings
  • 8. What causes day and night on Earth?
A) its revolution
B) its rotation
C) its orbit around the sun
D) it tilted axis
  • 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) 2 weeks
B) 29 days
C) 1 week
D) 1 year
  • 11. What determines length of year on a planet
A) the planet's size
B) its axis
C) revolution
D) rotation
  • 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) 1 trillion miles
B) Light-year
C) light-minute
D) AU
  • 14. What causes a lunar eclipse?
A) The earth passes through the sun's shadow.
B) The moon passes through it's own shadow.
C) The earth passes through the moon's shadow.
D) The moon passes through the earth's shadow.
  • 15. What causes a solar eclipse?
A) The earth passes through the sun's shadow.
B) The sun passes through the earth's shadow.
C) The earth passes through the moon'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) Elliptical
B) Regular
C) Irregular
D) Barred Spiral
  • 18. What is the birthplace of stars
A) asteroid belt
B) Maine Medical Center
C) Nebula
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 the sound travels through space
D) how stars explode
  • 20. The gravity of a body in space depends on its
A) mass
B) size
C) moons
D) atmosphere
  • 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) sunset
B) fireworks
C) solar wind
D) the moon
  • 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) Uranus and Neptune
C) Saturn and Uranus
D) Mars and Jupiter
  • 25. Which planet is farthest from earth?
A) uranus
B) Mars
C) jupiter
D) Neptune
  • 26. Why is Earth unique in the solar system?
A) It has volcanoes
B) It is the last inner planet
C) It has life
D) It has a moon
  • 27. What causes the comet's tail?
A) solar wind
B) the asteroids
C) the gravity of the sun
D) astronomers aren't sure
  • 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) on the earth's surface
B) Near Jupiter's rings
C) streaking through the atmosphere
D) floating in space
  • 30. A meteor can be seen
A) all of these answers
B) streaking through earth's atmosphere
C) on earth's surface
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 inner planets
B) Hubble Telescope
C) the sun
D) the moon
  • 33. What is the postion of the sun, moon and earth for a new moon?
A) Sun, moon, earth
B) Sun, earth, moon
C) moon, earth, sun
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) waxing
B) waning
C) gibbous
D) crescent
  • 36. How many stars in our galaxy
A) millions
B) billions
C) infinite
D) one, the sun
  • 37. A huge exploding star is called a
A) solar event
B) astro nova
C) nebula
D) supernova
  • 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) Earth
B) Venus
C) moon
D) Mars
  • 40. During what phase of the moon does a lunar eclipse take place?
A) New
B) Full
C) Last Quarter
D) 1st quarter
  • 41. During what moon phase does a solar eclipse take place?
A) Last Quarter
B) New
C) 1st quarter
D) Full
  • 42. Why doesn't each eclipse happen every month?
A) They do occur once a month you just can't seem them from all places on the earth
B) It depends on what time of year it is
C) It depends on the earth's orbit
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) True
B) False
  • 44. The DISTANCE light travels in one year is called a
A) 186,000 m/s
B) AU
C) light-year
D) light mile
  • 45. Scientist believe that the Earth and our solar system are about how old?
A) 4.5 billion years
B) 13.7 million years
C) 13.7 billion years
D) 4.5 million year
  • 46. What measurement is used for distances within our solar system
A) light-seconds
B) AU's
C) meters
D) light-years
  • 47. What is the name of the aurora in the southern hemisphere
A) Aurora Australis
B) Aurora Borealis
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's too cold
C) It turns into rock
D) It's going too fast
  • 49. Astronomers think the universe is about...
A) 4 billion years old
B) 1 billion years old
C) 1 million years old
D) 14 billion 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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