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) Mercury
D) Saturn
  • 4. Name the order of the planets
A) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune
B) Mercury, Venus, Earth, Mars, Saturn, Jupiter, Neptune, Uranus
C) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus
D) Mercury, Venus, Earth, Mars, Saturn, Jupiter, Uranus, Neptune
  • 5. Who is the father of Astronomy?
A) Copernicus
B) Hubble
C) Armstrong
D) Galileo
  • 6. What is the name of the telescope which orbits Earth?
A) International Space Station
B) Armstrong
C) Galileo Probe
D) Hubble
  • 7. Which planets are considered terrestrial
A) gas planets
B) outer planets
C) inner planets
D) planets with rings
  • 8. What causes day and night on Earth?
A) its revolution
B) its orbit around the sun
C) it tilted axis
D) its rotation
  • 9. What causes the phases of the moon
A) The sun's gravity
B) The earth's orbit
C) The moon'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) revolution
C) its axis
D) rotation
  • 12. Who was the first person on the moon?
A) John Glenn
B) Buzz Aldren
C) Alan Shepard
D) Neil Armstrong
  • 13. Which measurement is the largest distance
A) Light-year
B) 1 trillion miles
C) light-minute
D) AU
  • 14. What causes a lunar eclipse?
A) The earth passes through the moon's shadow.
B) The earth passes through the sun'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 moon passes through the earth's shadow.
B) The earth passes through the moon's shadow.
C) The earth passes through the sun's shadow.
D) The sun passes through the earth's shadow.
  • 16. What is the name of our galaxy?
A) Andromeda
B) The Big Bang
C) One way
D) Milky Way
  • 17. What type of galaxy is ours?
A) Irregular
B) Elliptical
C) Barred Spiral
D) Regular
  • 18. What is the birthplace of stars
A) constellation
B) asteroid belt
C) Nebula
D) Maine Medical Center
  • 19. The Big Bang Theory explains.....
A) how stars explode
B) how long it will take to travel in space
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) moons
B) size
C) mass
D) atmosphere
  • 21. How far away is the sun from the earth?
A) 93 billion miles
B) 93 thousand miles
C) 93 million miles
D) 1 light year
  • 22. What causes the aurora borealis?
A) sunset
B) fireworks
C) the moon
D) solar wind
  • 23. Which planet has the shortest year?
A) Mercury
B) Moon
C) Earth
D) Mars
  • 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) Neptune
B) jupiter
C) Mars
D) uranus
  • 26. Why is Earth unique in the solar system?
A) It is the last inner planet
B) It has volcanoes
C) It has a moon
D) It has life
  • 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) They are perfectly circular
B) The don't orbit they hit the sun.
C) They travel in the opposite direction around the sun
D) It is very elliptical
  • 29. A meteorite can be seen
A) on the earth's surface
B) streaking through the atmosphere
C) Near Jupiter's rings
D) floating in space
  • 30. A meteor can be seen
A) floating in space
B) on earth's surface
C) streaking through earth's atmosphere
D) all of these answers
  • 31. A comet's tail points away from the sun because of
A) sublimation
B) it does not point away from the sun
C) sunlight
D) solar wind
  • 32. Earth's only natural satellite is
A) the inner planets
B) the sun
C) the moon
D) Hubble Telescope
  • 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) gibbous
B) crescent
C) waxing
D) waning
  • 35. What is it called as the moon goes from full to new?
A) crescent
B) waning
C) waxing
D) gibbous
  • 36. How many stars in our galaxy
A) billions
B) infinite
C) one, the sun
D) millions
  • 37. A huge exploding star is called a
A) astro nova
B) supernova
C) solar event
D) nebula
  • 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) Earth
B) Mars
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) New
B) Full
C) Last Quarter
D) 1st quarter
  • 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) The moon's orbit is does not line up perfectly with 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) False
B) True
  • 44. The DISTANCE light travels in one year is called a
A) AU
B) light-year
C) 186,000 m/s
D) light mile
  • 45. Scientist believe that the Earth and our solar system are about how old?
A) 13.7 million years
B) 13.7 billion years
C) 4.5 million year
D) 4.5 billion years
  • 46. What measurement is used for distances within our solar system
A) light-seconds
B) meters
C) light-years
D) AU's
  • 47. What is the name of the aurora in the southern hemisphere
A) Holy Aurora
B) Aurora Australis
C) Aurora Borealis
D) Aurora Antarctica
  • 48. Why doesn't a comet far away from the sun have a tail?
A) It's too cold
B) It's too small
C) It turns into rock
D) It's going too fast
  • 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) None of the answers are correct
B) expanding
C) shrinking
D) standing still
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