Author Question: If the proto star that became our Sun had been hotter and more luminous when it formed, what changes ... (Read 55 times)

cmoore54 · **on:** Jul 27, 2018

If the proto star that became our Sun had been hotter and more luminous when it formed, what changes (if any) might have been experienced by our Solar System?

A) The Moon would not exist.
B) Jupiter would now be farther from the Sun.
C) No comets could have formed.
D) Mars would be a gas giant.
E) Terrestrial planes could only have formed closer to the Sun.

Question 2

In what way(s) has Pluto long been known to be different from the planets?

A) Its orbit is more inclined to the ecliptic plane.
B) It is composed primarily of ices.
C) It is far smaller than the terrestrial planets.
D) It has a highly eccentric orbit.
E) All of the above