Three stars are found to have been formed from a molecular cloud.How many high density fragments must have existed in the cloud prior to star formation?
A) exactly three
B) only one
C) three or more
D) none

Question

Quizplus · Accepted Answer

For stars to form, high-density fragments within a molecular cloud must collapse under their own gravity. If three stars formed, there must have been at least three high-density fragments to give rise to each star. It's possible there were more fragments that did not lead to star formation, hence "three or more" is correct.

Three Stars Are Found to Have Been Formed from a Molecular