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Author Question: As a radio source, the period of pulsar Earth is A) 30 minutes. B) 23 hours, 56 minutes. C) 24 ... (Read 91 times)

pragya sharda

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As a radio source, the period of pulsar Earth is
 
  A) 30 minutes.
  B) 23 hours, 56 minutes.
  C) 24 hours.
  D) 29.5 days.
  E) 365.25 days.

Question 2

How does the mass of the protostar impact its future evolution?
 
  What will be an ideal response?



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SamMuagrove

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Answer to Question 1

B

Answer to Question 2

The higher the mass, the greater its gravity, so the faster it shrinks and heats up to reach the main sequence. Once there, it will fall to the top left of the H-R diagram, and as a spendthrift star, rapidly deplete its supply of hydrogen and leave the main sequence, evolving into a red giant such as those that dominate the globular clusters.





 

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