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Author Question: Quasars are most common with redshifts a. less than 0.1 b. less than 0.5 c. of about 2 d. ... (Read 50 times)

awywial

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on: Jul 27, 2018
Quasars are most common with redshifts
 
  a. less than 0.1
  b. less than 0.5
  c. of about 2
  d. greater than 6
  e. greater than 8

Question 2

A planetary nebula is
 
  a. the expelled outer atmosphere of a medium-mass star.
  b. produced by a supernova explosion.
  c. produced by a nova explosion.
  d. a nebula within which planets are forming.
  e. a cloud of hot gas surrounding a planet.


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fffftttt

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

c

Answer to Question 2

a


awywial

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Reply #2 on: Jul 27, 2018
Thank you!


fffftttt

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Reply #3 on: Jul 27, 2018
Always glad to help...


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