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Author Question: The planet ________ has the least variation in temperatures on the surface between day and night. ... (Read 107 times)

roselinechinyere27m

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on: Jul 27, 2018
The planet ________ has the least variation in temperatures on the surface between day and night.
 
  A) Mars B) Earth C) Mercury D) Venus

Question 2

Stellar masses are measured directly by observations of the motions of
 
  A) spectroscopic binary systems.
  B) visual binary systems.
  C) eclipsing binary systems.
  D) All of the above can give us their masses.
  E) Stellar masses cannot be measured directly by any method.


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at

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

D

Answer to Question 2

D


roselinechinyere27m

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Reply 2 on: Jul 27, 2018
Gracias!

samiel-sayed

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Reply 3 on: Yesterday
Excellent

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