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Author Question: A star can remain in the giant-star stage for about 90 percent of its total lifetime before it dies. ... (Read 100 times)

bcretired

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A star can remain in the giant-star stage for about 90 percent of its total lifetime before it dies.
 
  Indicate whether the statement is true or false

Question 2

As light travels out of a gravitational field, it gains energy, and its wavelength becomes shorter.
 
  Indicate whether the statement is true or false



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hanadaa

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Answer to Question 1

False

Answer to Question 2

False




bcretired

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Reply 2 on: Jul 27, 2018
Excellent


mohan

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Reply 3 on: Yesterday
:D TYSM

 

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