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Author Question: Gas falling into a black hole: a. is heated to millions of degrees through the loss of ... (Read 57 times)

SAVANNAHHOOPER23

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on: Jul 27, 2018
Gas falling into a black hole:
 
  a. is heated to millions of degrees through the loss of gravitational energy
  b. is cooled to near absolute zero through the loss of gravitational energy
  c. releases energy, all of which is absorbed by the black hole
 d. never reaches the black hole due to the effect of time dilation
 e. orbits the black hole but cannot cross the event horizon

Question 2

What principle was Copernicus unable to provide evidence against?
 
  a. uniform circular motion
  b. heliocentric universe
 c. geocentric universe
 d. retrograde motion
 e. Ptolemy's epicycles


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paavo

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

a

Answer to Question 2

a


SAVANNAHHOOPER23

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Reply 2 on: Jul 27, 2018
Gracias!

Joy Chen

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Reply 3 on: Yesterday
Wow, this really help

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