exoatmosphere

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English[edit]

Etymology 1[edit]

exo- +‎ atmosphere

Noun[edit]

exoatmosphere (uncountable)

  1. The region of space just outside the atmosphere proper; the outer atmosphere.

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Etymology 2[edit]

Blend of exoplanet +‎ atmosphere

Noun[edit]

exoatmosphere (uncountable)

  1. Abbreviation of exoplanetary atmosphere. (The atmosphere of an exoplanet.)
    • 2016; E. Aronson, P. Waldén; "Using near-infrared spectroscopy for characterization of transiting exoplanets", Astronomy & Astrophysics, Volume 578, DOI 10.1051/0004-6361/201424058; BIBCODE 2015A&A...578A.133A; arXiv: 1504.05223;
      The feasibility of exoatmosphere detection by transit observations has been demonstrated by several authors.
    • 2015; Michael D. Lemonick, "The Dawn of Distant Skies", Exoplanets: Worlds Without End, Scientific American, PMID 23821863; ISBN 9781466858985
      Marcy, Mayor and their colleagues had seen only the gravitational effect the planets had on their parent star; to detect a biosignature, you would need to image an exoatmosphere directly.
    • 2009; P. Rojo, J. Harrington, D. Deming, J. Fortney; "Transit Spectroscopy of the Extrasolar Planet HD 209458b", Bioastronomy 2007: Molecules, Microbes and Extraterrestrial Life ASP Conference Series, Vol. 420, Proceedings, Astronomical Society of the Pacific, BIBCODE 2009ASPC..420..321R
      This technique uses the fact that the area a transiting planet blocks from its host star varies with wavelength according to the unique spectral features of molecules in the exoatmosphere, allowing identification and abundance measurements from appropriately-timed observations

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