How much mass was there in the protoplanetary disk out of which the planets formed,compared to the mass of the Sun?
A) 50 percent
B) 10 percent
C) 5 percent
D)

Question

How much mass was there in the protoplanetary disk out of which the planets formed,compared to the mass of the Sun?
A) 50 percent
B) 10 percent
C) 5 percent
D) < 1 percent

Quizplus · Accepted Answer

The mass of the protoplanetary disk was less than 1 percent of the mass of the Sun. Most of the mass in the solar system is concentrated in the Sun, with the planets and other objects forming from the remaining material in the disk.

How Much Mass Was There in the Protoplanetary Disk Out