Jeans escape

名词 n.

英文释义

名词 n.
  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. countable,uncountable
    — 2014, Eugene F. Milone, William J. F. Wilson, Solar System Astrophysics, Springer, 2nd Edition, page 413, As will be seem in Sects. 11.7.2.3 and 11.7.3.2, Jeans escape of H atoms from Venus is negligible compared to other, nonthermal mechanisms, whereas Jeans escape dominates the loss of H from Mars. On both planets, Jeans escape of O, O₂ and CO₂ is negligible.

词形变化

Jeans escapes plural

词源

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