Zodiacal Light

Anny Chantal Levasseur-Regourd 1
1 IMPEC - LATMOS
LATMOS - Laboratoire Atmosphères, Milieux, Observations Spatiales
Abstract : The zodiacal light is a faint veil of light covering the Earth’s sky. Brighter towards the Sun and the ecliptic, it originates in solar light scattered by a cloud of dust particles, mostly of cometary and asteroidal origin. The increase of brightness, toward the Sun and the near-ecliptic region, indicates an increase in the space density of the interplanetary dust cloud, which has a lenticular shape around the Sun; a slight brightness enhancement toward the antisolar region (gegenschein) corresponds to a backscattering effect. Thermal emission from the zodiacal particles forms, away from the galactic plane, the most prominent component in the near-infrared sky.
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Submitted on : Monday, June 8, 2015 - 2:40:44 PM
Last modification on : Wednesday, May 15, 2019 - 3:38:04 AM

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Anny Chantal Levasseur-Regourd. Zodiacal Light. Ricardo Amils, Muriel Gargaud, José Cernicharo Quintanilla, Henderson James Cleaves, William M. Irvine, Daniele Pinti, Michel Viso. Encyclopedia of Astrobiology, Springer Berlin Heidelberg, 7 p., 2015, ISBN : 978-3-642-27833-4. ⟨10.1007/978-3-642-27833-4_1706-2⟩. ⟨insu-01161447⟩

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