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Home Q & A Board Science-Related Homework Help Physics Astronomy
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Andrearcarter95 Andrearcarter95
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6 years ago
About what percent of all asteroids are S-type asteroids?
 
  A) 5
  B) 10
  C) 15
  D) 50
  E) 75

Question 2

What did the cosmic microwave background tell cosmologists about the early universe?
 
  A) Nothing; it is a product of the black hole in the center of our own Galaxy.
  B) The horizon problem, in that the microwave background is almost too isotropic
  C) The discovery of dark energy and its role in accelerating the universe
  D) The discovery of relativistic redshifts and the Big Bang
  E) The dark matter in the universe is mostly baryonic in nature, for a closed Big Bang.

Question 3

The large gaps in the asteroid belt (often called Kirkwood gaps) are caused by
 
  A) large asteroids that clear certain regions of the asteroid belt.
  B) tidal forces from Jupiter.
  C) tidal forces from the Sun.
  D) orbital resonances with Jupiter.
  E) the competing gravitational tugs of Mars and Jupiter.
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Marzard18Marzard18
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6 years ago
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Andrearcarter95 Author
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6 years ago
Thank you, thank you, thank you!
sweetalia
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Yesterday
Helped a lot
novae
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2 hours ago
Thanks
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