Approximately how much mass was there in the protoplanetary disk out of which the planets formed, compared to the mass of the Sun?
A) 1000 percent
B) 200 percent
C) 100 percent
D) 50 percent
E) ($\lt$ 1 percent)

Question

Quizplus · Accepted Answer

The mass of the protoplanetary disk was about 1 percent of the mass of the Sun.

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