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Author Question: If the Earth's rotational axis were to be perpendicular to the ecliptic, seasonal variations on the ... (Read 69 times)

dollx

  • Hero Member
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  • Posts: 558
on: Jul 27, 2018
If the Earth's rotational axis were to be perpendicular to the ecliptic, seasonal variations on the Earth would
 
  a. be non-existent.
  b. remain the same as they are at now.
  c. have the same severity but each season would last twice as long.
  d. be much more severe.

Question 2

What is the total mass of a binary star system with P = 20 yr and a = 10 AU?
 
  a. 2 solar masses
  b. 2.5 solar masses
  c. 0.5 solar mass
  d. 80 solar masses
  e. 0.4 solar mass


Jane

  • Sr. Member
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  • Posts: 309
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

B


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