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Author Question: When Mars is located directly behind the Earth with respect to the Sun in its orbit, it is a. at ... (Read 81 times)

bucstennis@aim.com

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on: Jul 27, 2018
When Mars is located directly behind the Earth with respect to the Sun in its orbit, it is
 
  a. at the midpoint in the sky between east and west at sunset.
  b. at the midpoint in the sky between east and west at midnight.
  c. at the midpoint in the sky between east and west at sunrise.
  d. at the midpoint in the sky between east and west at noon.
  e. not visible in the night sky.

Question 2

What characteristic of a star primarily determines its location on the main sequence?
 
  a. age
  b. distance from the galactic center
  c. mass
  d. space motion
  e. radius


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macybarnes

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

B

Answer to Question 2

C


bucstennis@aim.com

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Reply 2 on: Jul 27, 2018
Gracias!

nathang24

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Reply 3 on: Yesterday
Excellent

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