Astronomy Test
  • 1. What takes place in the center of the sun?
A) helium is formed
B) hydrogen fuses together
C) all of the answers are correct
D) nuclear fusion
  • 2. True or False The sun gives off all parts of the electromagnetic spectrum.
A) False
B) True
  • 3. Which planet is largest?
A) Mercury
B) Jupiter
C) Saturn
D) Uranus
  • 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. What causes the seasons?
A) How close earth is to the sun
B) Both the tilt of the earth's axis and the earth's orbit
C) The tilt of the earth's axis
D) The earth's orbit
  • 6. What month does the 1st day of spring occur?
A) June
B) April
C) March
D) May
  • 7. What causes tides?
A) an earthquake
B) a tsunami
C) The moon's gravity
D) The earth's gravity
  • 8. Neap tides cause what to happen to tides?
A) They cause tsunamis
B) They are higher than usual
C) They have no effect on the height of tides
D) They are lower than usual
  • 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) 29 days
B) 1 year
C) 1 week
D) 2 weeks
  • 11. What is a blue moon?
A) when the man on the moon is sad
B) when the moon appears blue in color
C) The first full moon of a month
D) The second full moon of a month
  • 12. Who was the first person on the moon?
A) Buzz Aldren
B) John Glenn
C) Neil Armstrong
D) Alan Shepard
  • 13. How did the solar system form?
A) Both of the answers are correct.
B) None of the answers are correct.
C) From a the gases left over from an exploding star.
D) From the gravitational attraction between molecules.
  • 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 moon passes through the earth'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 moon passes through the earth'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) Snickers
B) One way
C) Milky Way
D) Milk and Juice
  • 17. What type of galaxy is ours?
A) Irregular
B) Elliptical
C) Spiral
D) Regular
  • 18. What is the hottest star?
A) red
B) yellow
C) blue
D) super giant
  • 19. The Big Bang Theory explains.....
A) how stars explode
B) the formation of the universe
C) how long it will take to travel in space
D) how the sound travels through space
  • 20. What type of star is the sun on the Hertzsprung-Russell diagram?
A) red giant
B) super giant
C) main sequence
D) white dwarf
  • 21. How far away is the sun from the earth?
A) 93 billion miles
B) 93 million miles
C) 93 thousand miles
D) 1 light year
  • 22. What causes the aurora borealis?
A) the moon
B) northern lights
C) sunset
D) solar wind
  • 23. Which planet is smallest?
A) Mars
B) Mercury
C) Earth
D) Moon
  • 24. Between which two planets are most of the asteroids located?
A) Mars and Jupiter
B) Saturn and Uranus
C) Jupiter and Saturn
D) Uranus and Neptune
  • 25. Which planet is closest to Earth?
A) Moon
B) Mercury
C) Venus
D) Mars
  • 26. Why is Earth unique in the solar system?
A) It has volcanoes
B) It has a moon
C) It has life
D) It is the last inner planet
  • 27. What causes the comet's tail?
A) astronomers aren't sure
B) solar wind
C) the asteroids
D) the gravity of the sun
  • 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 highly elliptical
  • 29. About what date do the seasons change?
A) the last day of the month
B) 1st
C) 21st
D) 15th
  • 30. What is the 1st day of Fall called?
A) Vernal Equinox
B) Vernal Solstice
C) Autumnal Solstice
D) Autumnal Equinox
  • 31. Spring tides are higher because....
A) The gravity of the sun.
B) The combined gravity of the sun and moon
C) The combined gravity of the moon and earth.
D) The combined gravity of all the planets and the moon
  • 32. Where do the world's highest tides occur?
A) United States
B) In the Indian Ocean
C) Canada
D) Sweden
  • 33. What is the postion of the sun, moon and earth for a new moon?
A) moon, earth, sun
B) earth, sun, moon
C) Sun, moon, earth
D) Sun, earth, moon
  • 34. What is it called as the moon goes from new moon to full moon?
A) crescent
B) gibbous
C) waning
D) waxing
  • 35. What is it called as the moon goes from full to new?
A) crescent
B) waxing
C) gibbous
D) waning
  • 36. What year did the moon walk take place?
A) 1959
B) 1969
C) 1979
D) 1949
  • 37. What was the name of the first satellite in space?
A) Explorer 1
B) Apollo 1
C) Cosmo 1
D) Sputnik
  • 38. Who was the first man in space?
A) John Glenn
B) Neil Armstrong
C) Yuri Gargarin
D) Alan Shepard
  • 39. What is the famous quote from the first moon walk?
A) "Houston, we have a problem."
B) "That's one small step for man. One giant leap for mankind."
C) Houston, Tranquility Base here. The Eagle has landed."
D) "To go places and do things that have never been done before - that's what living is all about."
  • 40. During what phase of the moon does a lunar eclipse take place?
A) New
B) Last Quarter
C) 1st quarter
D) Full
  • 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) It depends on the earth's orbit
B) The moon doesn't revolve around the earth in the same plane as the earth
C) It depends on what time of year it is
D) They do occur once a month you just can't seem them from all places on the earth
  • 43. About how far away is the nearest star besides the sun?
A) 40,000,000 miles
B) 40 light years
C) 400 light years
D) 4 light years
  • 44. Which of the following is not a constellation of the zodiac?
A) Orion
B) Cancer
C) Leo
D) Libra
  • 45. Which is not a circumpolar constellation?
A) Both of the answers are circumpolar
B) Ursa Major
C) Neither of the answers are circumpolar
D) Ursa Minor
  • 46. Absolute magnitude is the brightness of a star...
A) from right where it is
B) from 1 light year away
C) from 100,000 miles away
D) from a standard distance
  • 47. Apparent magnitude is the brightness of a star....
A) from right where it is
B) from 100,000 miles away
C) from 1 light year away
D) from a standard distance
  • 48. What is the closest major galaxy to ours?
A) Andromeda
B) Alpha Centuari
C) Hercules
D) Crab Nebula
  • 49. Astronomers think the universe is about...
A) 1 billion years old
B) 1 million years old
C) 4 billion years old
D) 14 billion years old
  • 50. Astronomers think the universe is...
A) None of the answers are correct
B) astronomers aren't sure if it is open or closed
C) an open universe
D) a closed universe
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