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Author Question: If you lived on the Moon how often would the Earth set below your horizon? a. Every 24 hours b. ... (Read 47 times)

melina_rosy

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on: Jul 27, 2018
If you lived on the Moon how often would the Earth set below your horizon?
 
  a. Every 24 hours
  b. Once a sidereal period (27.3 days)
  c. Once a synodic period (29.5 days)
  d. Every year
  e. Never

Question 2

If the orbital velocity of an eclipsing binary is 97 km/sec and the smaller star is completely eclipsed in 2 hours, what is the diameter of the smaller star?
 
  a. 175,000 km
  b. 350,000 km
  c. 194 km
  d. 700,000 km
  e. 4656 km


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ong527

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

E

Answer to Question 2

D


melina_rosy

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Reply #2 on: Jul 27, 2018
Thank you!


ong527

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Reply #3 on: Jul 27, 2018
Always glad to help...


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