What Is the MOST Important Process That Causes a Protostar

question 253

Multiple Choice

What is the MOST important process that causes a protostar to stop accreting mass?

• A) Radiation and particles from the hot protostar push infalling matter away from the protostar.
• B) Other protostars formed in the vicinity pass randomly through the infalling material and eventually disperse it.
• C) The dense core spins up as it collapses, and eventually the infalling matter is held away from the protostar by the centrifugal force.
• D) All of the infalling matter has been used up in the accretion.

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