Approximately How Much Mass Was There in the Protoplanetary Disk $\lt$

question 9

Multiple Choice

Approximately 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) "25 percent"
• C) "10 percent"
• D) "5 percent"
• E) "\(\lt\) 1 percent"

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Definitions:

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