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Author Question: The Trojan asteroids have orbits that: A) are, on average, closer to the Sun than we are. B) ... (Read 20 times)

javeds

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on: Jul 27, 2018
The Trojan asteroids have orbits that:
 
  A) are, on average, closer to the Sun than we are.
  B) cross the orbit of Earth at perihelion.
  C) cross the orbit of Mars, but not Earth, at perihelion.
  D) stay sixty degrees ahead of or behind Jupiter.
  E) stay out beyond Neptune.

Question 2

How long does it take an M class star to reach the main sequence, compared to a solar type star?
 
  A) a tenth as long
  B) about the same, 30 million years
  C) about twice as long
  D) about twenty times longer
  E) longer than the age of the Galaxy


ghepp

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

D

Answer to Question 2

D


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javeds

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Reply #2 on: Jul 27, 2018
Thanks


ghepp

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Reply #3 on: Jul 27, 2018
Welcome :)


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