What does exosphere mean?

Definitions for exosphere
ˈɛk soʊˌsfɪərex·o·spher·e

Here are all the possible meanings and translations of the word exosphere.

Princeton's WordNet

  1. exospherenoun

    the outermost atmospheric layer

Wiktionary

  1. exospherenoun

    the uppermost layer of a planet's atmosphere

  2. exospherenoun

    an extremely thin atmosphere, as on Saturn's moon Dione

Freebase

  1. Exosphere

    The exosphere is a thin, atmosphere-like volume surrounding a planetary body where molecules are gravitationally bound to that body, but where the density is too low for them to behave as a gas by colliding with each other. In the case of bodies with substantial atmospheres, such as the Earth's atmosphere, the exosphere is the uppermost layer, where the atmosphere thins out and merges with interplanetary space. It is located directly above the Thermosphere. Several moons, such as Earth's moon and the Galilean satellites, have exospheres without a denser atmosphere underneath. Here molecules are ejected from surface rocks and follow independent parabolic trajectories until they collide with the surface. Authors differ as to whether such moons are considered to have atmospheres or not. Smaller bodies such as asteroids, in which the molecules emitted from the surface escape to space, are not considered to have exospheres.

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Numerology

  1. Chaldean Numerology

    The numerical value of exosphere in Chaldean Numerology is: 9

  2. Pythagorean Numerology

    The numerical value of exosphere in Pythagorean Numerology is: 7

Images & Illustrations of exosphere

  1. exosphereexosphereexosphereexosphereexosphere


Translations for exosphere

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    small cat-like predatory mammals of warmer parts of the Old World
    • A. allogamy
    • B. substrate
    • C. arbalist
    • D. viverrine

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