Multiple Choice
Two molecular clouds have identical densities,but cloud A has a radius four times larger than cloud B.How much longer will it take cloud A to collapse than cloud B?
A) They collapse on the same timescale.
B) twice as long
C) 4 times as long
D) 16 times as long
Correct Answer:

Verified
Correct Answer:
Verified
Q19: Astronomers have not found any stars more
Q20: Which of the following lists the phases
Q21: Under which of the following circumstances will
Q22: Over what timescale do stars in a
Q23: Astronomers discover a large number of Herbig-Haro
Q25: What kind of equilibrium characterizes the relation
Q26: Which of the following effects would be
Q27: Which of the following is likely to
Q28: What physical principle is responsible for accretion
Q29: Which part of the interstellar medium is