Some Molecular Clouds Have So Much Internal Pressure That It

question 58

Essay

Some molecular clouds have so much internal pressure that it exceeds their self-gravity.What keeps them from expanding and dissipating?

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Definitions:

Tectonic Terrane

A fragment of crustal material formed on, or broken off from one tectonic plate and accreted or sutured to crust lying on another plate.

Continental Crust

The thick part of the Earth's crust that forms the continents, characterized by its buoyancy and primarily granitic composition.

Passive Margin

A type of continental margin that is not an active plate boundary, characterized by little volcanic and earthquake activity.

Indonesian Earthquake

A seismic event occurring in Indonesia, a country prone to earthquakes due to its location on the Pacific "Ring of Fire."