English Explanatory Dictionary

Jeans escape

English dictionary entry

Meanings

noun
  1. A type of atmospheric escape in which a light gas atom or molecule (typically a helium atom or hydrogen molecule) gains sufficient momentum through collision with other molecules to escape the atmosphere (and gravitational pull) of a planet.

Word forms

Jeans escape Jeans escapes

Etymology

Named after English physicist Sir James Jeans (1877–1946), who is credited with calculating the rate of such atmospheric escape.

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