Author Question: The solar nebula theory supposes that: A) the moons of all the planets were not formed from a ... (Read 106 times)

EY67 · **on:** Jul 27, 2018

The solar nebula theory supposes that:

A) the moons of all the planets were not formed from a nebula.
B) asteroids formed about half a billion years before the formation of the planets' moons.
C) the Sun formed about a billion years before the planets.
D) planets form in rotating disks of gas and dust around young stars.

Question 2

The orbits of all the planets of the Solar System are inclined _____ to each other.

A) less than 2 degrees
B) more than 10 degrees
C) less than 8 degrees
D) more than 12 degrees