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Home Q & A Board Science-Related Homework Help Physics Astronomy
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vr vr
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6 years ago
Most stars in the Milky Way probably formed:
 
  A) alone.
  B) in intergalactic space, then were swept up into the Galaxy.
  C) in clusters in the Galaxy's spiral arms.
  D) from planetary nebulae.
  E) in the galactic Nucleus, then migrated outward later.

Question 2

How does metal content vary between Population I and II? Why?
 
  What will be an ideal response?

Question 3

The largest difference between Mars' northern and southern hemispheres is that:
 
  A) the southern appears older, with more impact craters.
  B) the northern has all the outflows and must have been much hotter.
  C) the northern is higher overall, despite some high volcanoes in the south.
  D) the southern has a polar cap, but none ever forms in the north.
  E) the southern is much darker, with large mare-like basaltic lava flows.

Question 4

Protostars start off more luminous than the main sequence stars they become.
 
  Indicate whether the statement is true or false

Question 5

Mars has two moons that are most similar in character to
 
  A) small asteroids.
  B) comets.
  C) Earth's Moon.
  D) particles in the rings of Saturn.
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ben.kenobi24ben.kenobi24
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6 years ago
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vr Author
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#2
6 years ago
Oh god, I was lost before coming here. Thanksss
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#3
6 years ago
Great, make sure you mark the topic solved, it hides it from other eyes Slight Smile
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