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Author Question: What evidence suggests that long gamma ray bursts originate from supernovae of stars massive enough ... (Read 59 times)

nmorano1

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What evidence suggests that long gamma ray bursts originate from supernovae of stars massive enough to form black holes?
 
  A) Some gamma ray bursts have been found to originate with galaxies that are actively forming stars, and would thus have a few very massive (but short lived) stars.
  B) Rapid observations in other wavelengths show that some gamma ray bursts coincide with points showing typical supernova light curves.
  C) The locations of gamma ray bursts suddenly begin blocking light from more distant stars.
  D) A and B
  E) B and C

Question 2

Which of the following statements about the Sun is an inference from a model, not an observation?
 
  A) The photosphere emits visible light.
  B) The Sun emits neutrinos.
  C) The convection zone is cooler than the radiation zone.
  D) The corona is hotter than the photosphere.



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Moriaki

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Answer to Question 1

D

Answer to Question 2

C




nmorano1

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it


mjenn52

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Reply 3 on: Yesterday
Gracias!

 

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