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Author Question: An astronaut falling into a black hole would see the universe A) red-shifted. B) blue-shifted. ... (Read 91 times)

ashley

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on: Jul 29, 2018
An astronaut falling into a black hole would see the universe
 
  A) red-shifted.
  B) blue-shifted.
  C) with no shift at all.

Question 2

If the Sun collapsed to a black hole, Earth's speed in space would
 
  A) increase.
  B) decrease.
  C) remain the same.


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enass

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: C


ashley

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Reply 2 on: Jul 29, 2018
Wow, this really help

cici

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Reply 3 on: Yesterday
Excellent

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