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Home Q & A Board Science-Related Homework Help Physics Astronomy
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rylee19 rylee19
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6 years ago
The center of our galaxy is believed to be occupied by the radio source known as ____________________.
 
  Fill in the blank(s) with correct word

Question 2

What is the lifetime on the main sequence of a 2-solar-mass star compared to the approximately 10-billion-year life of our Sun? Pick the best answer.
 
  a. 1.8  1011 years
  b. 1.8  1010 years
  c. 1.8  108 years
  d. 1.8  106 years
  e. 1.8  103 years

Question 3

Which stellar population has highly elliptical orbits?
 
  a. Pop I extreme b. Pop I intermediate
  c. Pop II intermediate d. Pop II extreme

Question 4

What is the lifetime of a 10-solar-mass star on the main sequence?
 
  a. 3.2  107 years
  b. 320 years
  c. 3.2  1012 years
  d. 1 109 years
  e. 1  1011 years
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medjedmedjed
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6 years ago
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rylee19 Author
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#2
6 years ago
Were some really tough homework problems! Thanks for answering all of them correctly
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