The H ^- Atom Is Important in Protostars Because

question 33

Multiple Choice

The H ^- atom is important in protostars because it acts as a

• A) source of friction, stopping the cloud from collapsing too rapidly.
• B) source of infrared radiation, causing the cloud to cool off rapidly.
• C) temperature regulator.
• D) source of buoyancy, allowing the atmosphere of the protostar to expand.
• E) source of easily detectable radio-wave emission.

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