Earth as an Extrasolar Planet: Earth Model Validation Using EPOXI Earth Observations
نویسندگان
چکیده
منابع مشابه
Earth as an extrasolar planet: Earth model validation using EPOXI earth observations.
The EPOXI Discovery Mission of Opportunity reused the Deep Impact flyby spacecraft to obtain spatially and temporally resolved visible photometric and moderate resolution near-infrared (NIR) spectroscopic observations of Earth. These remote observations provide a rigorous validation of whole-disk Earth model simulations used to better understand remotely detectable extrasolar planet characteris...
متن کاملDistributed Earth Science Validation Centers for Mission to Planet Earth
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متن کاملProperties of an Earth-like planet orbiting a Sun-like star: Earth observed by the EPOXI mission.
NASA's EPOXI mission observed the disc-integrated Earth and Moon to test techniques for reconnoitering extrasolar terrestrial planets, using the Deep Impact flyby spacecraft to observe Earth at the beginning and end of Northern Hemisphere spring, 2008, from a range of ∼1/6 to 1/3 AU. These observations furnish high-precision and high-cadence empirical photometry and spectroscopy of Earth, suita...
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Anthraquinones are the largest group of the naturally occurring quinones. Both natural and synthetic anthraquinones are widely used in medical preparations, colourants in foods, hair dyes and others. Chrysazin (1, 8-dihydroxy-9, 10-anthracenedione; Figure 1) is a synthetic anthraquinone with 1, 8-dihydroxy groups like other natural anthraquinones such as emodin and chrysophanol which have been ...
متن کاملSpectral Evolution of an Earth-like Planet
We have developed a characterization of the geological evolution of the Earth’s atmosphere and surface in order to model the observable spectra of an Earth-like planet through its geological history. These calculations are designed to guide the interpretation of an observed spectrum of such a planet by future instruments that will characterize exoplanets. Our models focus on planetary environme...
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ژورنال
عنوان ژورنال: Astrobiology
سال: 2011
ISSN: 1531-1074,1557-8070
DOI: 10.1089/ast.2011.0642