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homosphere

Standard

ECSS-E-ST-10-04C Rev.1

Definition

Earth’s atmosphere below 105 km altitude where complete vertical mixing yields a near-homogeneous composition of about 78,1% N2, 20,9% O2, 0,9% Ar, and 0,1% CO2 and trace constituents

Notes

  • NOTE The homopause (or turbopause) marks the ceiling of the homosphere.

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