Author Question: The Trojan asteroids have orbits that: A) are, on average, closer to the Sun than we are. B) ... (Read 41 times)

javeds · **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 · **Reply #1 on:** Jul 27, 2018

Answer to Question 1

D

Answer to Question 2

D

javeds · **Reply #2 on:** Jul 27, 2018

Thanks

ghepp · **Reply #3 on:** Jul 27, 2018

Welcome

Author Question: The Trojan asteroids have orbits that: A) are, on average, closer to the Sun than we are. B) ... (Read 41 times)

javeds

The Trojan asteroids have orbits that: A) are, on average, closer to the Sun than we are. B) ...

ghepp

The Trojan asteroids have orbits that: A) are, on average, closer to the Sun than we are. B) ...

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javeds

The Trojan asteroids have orbits that: A) are, on average, closer to the Sun than we are. B) ...

ghepp

The Trojan asteroids have orbits that: A) are, on average, closer to the Sun than we are. B) ...