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Home Q & A Board Science-Related Homework Help Physics Astronomy
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Ag566 Ag566
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6 years ago
Where did comets that are now in the Oort cloud originally form?
 
  A) near the jovian planets
  B) outside Neptune's orbit
  C) inside Jupiter's orbit
  D) within the solar nebula, but far outside the orbit of Pluto
  E) all of the above

Question 2

Based on observations by the Dawn spacecraft, scientists have concluded that Vesta might be:
 
  A) a planetesimal leftover from the solar system's formation.
  B) the only remaining protoplanet in our solar system.
  C) one of the dwarf planets in our solar system.
  D) a fragment of Mars.
  E) one of the remnants of the planet that broke up to form the asteroid belt.

Question 3

A fragment of a collapsing gas cloud that comes to equilibrium with a central temperature of 4 million K will become a:
 
  A) black hole.
  B) brown dwarf.
  C) black dwarf.
  D) T Tauri star.
  E) stage 1 protostar.
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ddd856ddd856
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6 years ago
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Ag566 Author
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#2
6 years ago
Commenting just to show my support for informative posts like this, keep it up 10/10
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#3
6 years ago
That helps more than you thinks, thanks for being so thoughtful
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