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Author Question: The approximate main-sequence lifetime of a star of spectral type O is ________. A) 300 million ... (Read 73 times)

mrsjacobs44

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on: Jul 27, 2018
The approximate main-sequence lifetime of a star of spectral type O is ________.
 
  A) 300 million years B) 10 billion years C) 10,000 years D) 3 million years

Question 2

Stefan's law notes that total energy radiated is proportional to the ________ power of the temperature of the blackbody.
 
  Fill in the blank(s) with correct word


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Zack0mack0101@yahoo.com

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Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

fourth


mrsjacobs44

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Reply 2 on: Jul 27, 2018
Excellent

xoxo123

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Reply 3 on: Yesterday
:D TYSM

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