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Author Question: On average the moon's umbral shadow is a. to bright to produce a total solar eclipse. b. to ... (Read 94 times)

bobbysung

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on: Jul 27, 2018
On average the moon's umbral shadow is
 
  a. to bright to produce a total solar eclipse.
  b. to faint to produce a total solar eclipse.
  c. to wide to produce a total solar eclipse.
  d. too long to produce a total solar eclipse.
  e. to short to produce a total solar eclipse.

Question 2

In a binary system, the more massive star
 
  a. is at the center of mass.
  b. is farthest from the center of mass.
  c. is nearest the center of mass.
  d. follows the largest orbit.
  e. shows a larger Doppler shift in its spectral lines.


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Athena23

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

E

Answer to Question 2

C


bobbysung

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Reply 2 on: Jul 27, 2018
:D TYSM

xiaomengxian

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Reply 3 on: Yesterday
Excellent

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