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Author Question: We should expect galaxies to collide fairly often because a. they are large with respect to their ... (Read 46 times)

Wadzanai

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on: Jul 27, 2018
We should expect galaxies to collide fairly often because
 
  a. they are large with respect to their separation distances.
  b. galaxies contain large amounts of neutral hydrogen.
  c. galaxies occur in clusters.
  d. they are large with respect to their separation distances and galaxies occur in clusters.
  e. None of the other choices are correct.

Question 2

How long a star can stay on the main sequence depends upon its size.
 
  a. True
  b. False
  Indicate whether the statement is true or false


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bigsis44

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

d

Answer to Question 2

False


Wadzanai

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Reply 2 on: Jul 27, 2018
Wow, this really help

juliaf

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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