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Author Question: If galaxy A is four times more distant than galaxy B, then according to the Hubble law, galaxy A ... (Read 121 times)

panfilo

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on: Jul 27, 2018
If galaxy A is four times more distant than galaxy B, then according to the Hubble law, galaxy A will recede ___________ than galaxy B.
 
  a. 16 times faster
  b. 4 times faster
  c. 2 times faster
  d. 1.2 times faster
  e. 0.25 times faster

Question 2

What is the difference between a supernova and a nova?
 
  What will be an ideal response?


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stillxalice

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

b

Answer to Question 2

A nova is an eruption on the surface of a stellar remnant, and a supernova is the violent explosive death of an aging massive star.


panfilo

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Reply 2 on: Jul 27, 2018
Excellent

AngeliqueG

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Reply 3 on: Yesterday
Gracias!

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