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Author Question: Hydrogen lines are weak in the spectra of hot stars because many of the hydrogen atoms have their ... (Read 97 times)

rlane42

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on: Jul 27, 2018
Hydrogen lines are weak in the spectra of hot stars because many of the hydrogen atoms have their electrons in levels above the second level.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

Neutron stars have densities roughly the same as that of the atomic nucleus.
 
  a. True
  b. False
  Indicate whether the statement is true or false


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Pswine

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

True

Answer to Question 2

True


rlane42

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Reply 2 on: Jul 27, 2018
:D TYSM

31809pancho

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Reply 3 on: Yesterday
Excellent

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