Astronomy 50 - חִידוֹן
  • 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) Mercury
B) Jupiter
C) Uranus
D) Saturn
  • 4. Name the order of the planets
A) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus
B) Mercury, Venus, Earth, Mars, Saturn, Jupiter, Neptune, Uranus
C) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune
D) Mercury, Venus, Earth, Mars, Saturn, Jupiter, Uranus, Neptune
  • 5. Who is the father of Astronomy?
A) Copernicus
B) Galileo
C) Armstrong
D) Hubble
  • 6. What is the name of the telescope which orbits Earth?
A) International Space Station
B) Galileo Probe
C) Hubble
D) Armstrong
  • 7. Which planets are considered terrestrial
A) outer planets
B) planets with rings
C) inner planets
D) gas planets
  • 8. What causes day and night on Earth?
A) it tilted axis
B) its revolution
C) its orbit around the sun
D) its rotation
  • 9. What causes the phases of the moon
A) The earth's orbit
B) The earth's rotation
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) 2 weeks
C) 29 days
D) 1 year
  • 11. What determines length of year on a planet
A) rotation
B) revolution
C) its axis
D) the planet's size
  • 12. Who was the first person on the moon?
A) Alan Shepard
B) Neil Armstrong
C) John Glenn
D) Buzz Aldren
  • 13. Which measurement is the largest distance
A) light-minute
B) 1 trillion miles
C) Light-year
D) AU
  • 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 moon's shadow.
D) The earth passes through the sun's shadow.
  • 15. What causes a solar eclipse?
A) The earth passes through the sun's shadow.
B) The earth passes through the moon's shadow.
C) The sun passes through the earth's shadow.
D) The moon passes through the earth's shadow.
  • 16. What is the name of our galaxy?
A) One way
B) The Big Bang
C) Andromeda
D) Milky Way
  • 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) 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) how the sound travels through space
D) the formation of the universe
  • 20. The gravity of a body in space depends on its
A) mass
B) size
C) atmosphere
D) moons
  • 21. How far away is the sun from the earth?
A) 93 million miles
B) 1 light year
C) 93 thousand miles
D) 93 billion miles
  • 22. What causes the aurora borealis?
A) the moon
B) fireworks
C) sunset
D) solar wind
  • 23. Which planet has the shortest year?
A) Moon
B) Mercury
C) Earth
D) Mars
  • 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 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) the gravity of the sun
B) astronomers aren't sure
C) solar wind
D) the asteroids
  • 28. What is unusual about most comets orbits?
A) The don't orbit they hit the sun.
B) It is very elliptical
C) They travel in the opposite direction around the sun
D) They are perfectly circular
  • 29. A meteorite can be seen
A) on the earth's surface
B) streaking through the atmosphere
C) floating in space
D) Near Jupiter's rings
  • 30. A meteor can be seen
A) floating in space
B) all of these answers
C) on earth's surface
D) streaking through earth's atmosphere
  • 31. A comet's tail points away from the sun because of
A) sunlight
B) it does not point away from the sun
C) sublimation
D) solar wind
  • 32. Earth's only natural satellite is
A) Hubble Telescope
B) the moon
C) the inner planets
D) the sun
  • 33. What is the postion of the sun, moon and earth for a new moon?
A) Sun, earth, moon
B) Sun, moon, earth
C) earth, sun, moon
D) moon, earth, sun
  • 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) gibbous
B) crescent
C) waxing
D) waning
  • 36. How many stars in our galaxy
A) billions
B) one, the sun
C) millions
D) infinite
  • 37. A huge exploding star is called a
A) astro nova
B) supernova
C) nebula
D) solar event
  • 38. A solar flare creates
A) huge amount of energy
B) solar wind
C) all of these answers
D) an aurora on earth
  • 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) Last Quarter
B) New
C) Full
D) 1st quarter
  • 42. Why doesn't each eclipse happen every month?
A) It depends on what time of year it is
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) 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 mile
D) light-year
  • 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) 4.5 million year
D) 13.7 billion years
  • 46. What measurement is used for distances within our solar system
A) AU's
B) light-seconds
C) light-years
D) meters
  • 47. What is the name of the aurora in the southern hemisphere
A) Aurora Antarctica
B) Aurora Borealis
C) Holy Aurora
D) Aurora Australis
  • 48. Why doesn't a comet far away from the sun have a tail?
A) It's going too fast
B) It turns into rock
C) It's too cold
D) It's too small
  • 49. Astronomers think the universe is about...
A) 1 million years old
B) 4 billion years old
C) 1 billion years old
D) 14 billion years old
  • 50. Astronomers think the universe is
A) expanding
B) standing still
C) shrinking
D) None of the answers are correct
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