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Author Question: Telescopes observing in the far ultraviolet can work from high-flying aircraft. Indicate whether ... (Read 86 times)

Bob-Dole

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on: Jul 27, 2018
Telescopes observing in the far ultraviolet can work from high-flying aircraft.
 
  Indicate whether the statement is true or false

Question 2

An isolated black hole in empty intergalactic space would be difficult to detect because
 
  a. there would be no stars behind it whose light it could bend or lens gravitationally
  b. it could not emit light from inside its event horizon
  c. no companion stars would be affected by its gravitational field
  d. no matter would be falling into it to create an x-ray emitting accretion disk
  e. All of the above


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tennis14576

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

F

Answer to Question 2

E


Bob-Dole

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


tennis14576

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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