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Author Question: The rotation curve method can be applied only to pairs of galaxies orbiting each other. a. True ... (Read 32 times)

silviawilliams41

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on: Jul 27, 2018
The rotation curve method can be applied only to pairs of galaxies orbiting each other.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

Before it ejects a planetary nebula, a star is a
 
  a. red giant.
  b. black hole.
  c. white dwarf.
  d. supernova.


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Fayaz00962

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

False

Answer to Question 2

a


silviawilliams41

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  • Posts: 560
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

cpetit11

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

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