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Chapitre D'ouvrage Année : 2023

Zodiacal Light

Résumé

The zodiacal light is a faint veil of light visible in the Earth’s night sky. Brighter towards the Sun and the ecliptic, it originates in solar light scattered by a huge cloud of dust particles, mostly of cometary and asteroidal origin. The brightness increases toward the Sun and the near-ecliptic region; it corresponds to an increase in the space density of the cloud, which has a lenticular shape around the Sun. A minor brightness enhancement toward the antisolar region corresponds to a backscattering effect. Thermal emission from zodiacal particles forms, away from the galactic plane, the most prominent component in the near-infrared sky.
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Dates et versions

insu-04371598 , version 1 (03-01-2024)

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Citer

Anny Chantal Levasseur-Regourd. Zodiacal Light. Muriel Gargaud, William M. Irvine, Ricardo Amils, Philippe Claeys, Henderson James Cleaves, Maryvonne Gerin, Daniel Rouan, Tilman Spohn, Stéphane Tirard, Michel Viso (eds). Encyclopedia of Astrobiology, Springer Berlin Heidelberg, pp.3271-3277, 2023, Print ISBN: 978-3-662-65092-9 / Online ISBN: 978-3-662-65093-6. ⟨10.1007/978-3-662-65093-6_1706⟩. ⟨insu-04371598⟩
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