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Author Question: Which of the following observations confirms that Sgr A at the center of our galaxy is indeed a ... (Read 67 times)

809779

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on: Jul 27, 2018
Which of the following observations confirms that Sgr A at the center of our galaxy is indeed a supermassive black hole?
 
  A) measurements of radio emission from gas around Sgr A
  B) measurements of occasional X-ray emission from Sgr A
  C) measurements of the orbits of stars around Sgr A
  D) measurements of trans-dimensional space warps in the vicinity of Sgr A

Question 2

The discovery of Charon allowed astronomers to determine Pluto's mass.
 
  Indicate whether the statement is true or false


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lolol

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

C

Answer to Question 2

TRUE


809779

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Reply 2 on: Jul 27, 2018
Excellent

cpetit11

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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