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Our universe - Quiz
Contributed by: Collins
  • 1. Absolute magnitude is the brightness of a star measured from ...
A) where it is
B) 1 light year away from earth
C) a stardard distance from earth
D) 1,000,000 km away
  • 2. Apparent magnitude how bright a star is measured from....
A) a stardard distance from earth
B) 1,000,000 km away
C) where it is
D) 1 light year way from earth
  • 3. What is the apparent magnitude of the sun?
A) 7
B) -27
C) -47
D) 0
  • 4. What is the apparent magnitude of the moon?
A) -24
B) 14
C) -13
D) 0
  • 5. What is the apparent magnitude of mars?
A) -3
B) 3
C) 0
D) -14
  • 6. What is the apparent magnitude of venus
A) -2
B) -5
C) 2
D) 0
  • 7. What is the apparent magnitude of the faintest object to the naked eye under perfect conditions?
A) 6.5
B) 9.5
C) -.24
D) -2.8
  • 8. What is the absolute magnitude of the sun?
A) 25
B) 5
C) -15
D) -25
  • 9. What relationship does the Hertzsprung-Russell diagram show?
A) The color and temperature of the stars
B) The brightness and color of stars
C) temperature and brightness of stars
D) All of the answers are correct
  • 10. What type of star is the sun on the Hertzsprung-Russell diagram?
A) white dwarf
B) main sequence
C) super giant
D) giant
  • 11. How are heat and color of a star related?
A) White stars are the hottest
B) blue stars are the hottest
C) yellow stars are the hottest
D) red stars are the hottest
  • 12. How are heat and color of a star related?
A) white stars are the coolest
B) red stars are the coolest
C) yellow stars are the coolest
D) blue stars are the coolest
  • 13. Most stars.....
A) are main sequence stars
B) will explode into a Nova or Super Nova
C) will become a Nebula
D) will become a black hole
  • 14. A white dwarf is....
A) a start that has exploded
B) None of the answers are correct
C) a cloud of gasses
D) a extremely dense mass that no light can escape from
  • 15. Which of the following is NOT a type of galaxy?
A) spiral
B) conical
C) irregular
D) elliptical
  • 16. What is the closest major galaxy to ours?
A) Hercules
B) Crab Nebula
C) Andromeda
D) Alpha Centuari
  • 17. The Big Bang Theory explains....
A) how stars explode
B) how long it will take to travel in space
C) how the sound travels through space
D) the formation of the universe
  • 18. Astronomers think the universe is about...
A) 1 billion years old
B) 4 billion years old
C) 14 billion years old
D) 100 million years old
  • 19. Is the universe "open" or "close"
A) It is not known at this time.
B) It is open.
C) It is closed.
  • 20. When "red shift" occurs....
A) objects are moving away from you
B) Red stars are moving toward you.
C) Objects are moving toward you.
D) Objects are stationary.
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