Which of the following in not a factor that prevents molecular cloud contraction
A)thermal motion
B)a force exerted by a magnetic field
C)orbital motion
D)turbulence

Question

Quizplus · Accepted Answer

Thermal motion, magnetic fields, and turbulence can all cause a cloud to resist contraction, but orbital motion does not. In fact, orbital motion can contribute to cloud collapse if it creates a density wave that compresses the gas.

Which of the Following in Not a Factor That Prevents