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Author Question: You are studying a mystery companion to an evolved star, with mass transfer happening. Which of the ... (Read 58 times)

melina_rosy

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on: Jul 27, 2018
You are studying a mystery companion to an evolved star, with mass transfer happening. Which of the following properties suggests that the companion is definitely a black hole?
 
  A) The mystery companion has a mass of over 1.4 solar masses.
  B) The mystery companion has a mass of over 3 solar masses.
  C) The mystery companion has an X-ray emitting accretion disk.
  D) The mystery companion gives off periodic X-ray bursts.

Question 2

Active galaxies emit most of their radiation as visible light.
 
  Indicate whether the statement is true or false


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javimendoza7

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

B

Answer to Question 2

FALSE


melina_rosy

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Reply 2 on: Jul 27, 2018
Gracias!

adf223

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Reply 3 on: Yesterday
Excellent

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