What condition is considered sufficient for an interstellar cloud to collapse and form a star or stars (i.e., if this condition holds then the cloud has to collapse) ?
A) The cloud must be alone in space (far from stars and other interstellar clouds) .
B) Gravity must dominate gas pressure inside the cloud.
C) Gravity must be strong enough to reach all parts of the cloud.
D) The cloud must be cooler than 100 K.
Correct Answer:
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