The "Jeans instability" occurs in what context?
Earth's Atmosphere
Interstellar Medium
Ocean Currents
Volcanic Eruptions
Answer
The Jeans instability arises in the context of the interstellar medium, where it governs the conditions under which a self-gravitating cloud of gas fragments into smaller, gravitationally bound structures. This instability occurs when Thermal energy of the gas is insufficient to counteract the gravitational forces within the cloud. As a result, the cloud collapses and fragments into denser clumps, leading to the formation of stars and other celestial objects.
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