exosphere exosphere


  • (n) the outermost atmospheric layer


  • LADEE Starts Science Operations From Lunar Orbit | Video

    Launched September 6th, LADEE has been orbiting the Moon for weeks while diagnostics confirmed it's scientific instruments were working correctly, allowing it to begin analyzing the Moon's extremely thin exosphere.
    on November 23, 2013     Source: SPACE.com

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engender engender
/ɛn ˈdʒɛn dər /