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Home Q & A Board Science-Related Homework Help Physics Astronomy
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jina jina
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6 years ago
As viewed edge-on, we can see all the spurs and branches off the arms of the Milky Way galaxy.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

How long can a 1-solar-mass star live?
 
  a. 0.5 solar lifetimes b. 1 solar lifetime
  c. 2 solar lifetimes d. 10 solar lifetimes

Question 3

The units of proper motion are km/s because proper motion is the motion of stars across the sky.
 
  a. True
  b. False
  Indicate whether the statement is true or false
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fayez_83fayez_83
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6 years ago
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jina Author
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#2
6 years ago
Upwards Arrow Correct again
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