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Author Question: Most interstellar dust grains are produced in A) the Big Bang. B) the interstellar medium. C) ... (Read 94 times)

c0205847

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on: Jul 27, 2018
Most interstellar dust grains are produced in
 
  A) the Big Bang.
  B) the interstellar medium.
  C) the atmospheres of red giant stars.
  D) supernova explosions.
  E) the solar nebula.

Question 2

Current techniques can measure stellar motion to less than
 
  A) walking speed.
  B) running speed.
  C) freeway speed.
  D) cruising speed of an airplane.
  E) orbital speed of Jupiter.


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ong527

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

C

Answer to Question 2

A


c0205847

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Reply 2 on: Jul 27, 2018
Excellent

cici

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Reply 3 on: Yesterday
Gracias!

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