- dust extinction
- 尘消光
Atmospheric Sciences (English-Chinese) dictionary. 2014.
dust extinction
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Extinction (astronomy) — Extinction is a term used in astronomy to describe the absorption and scattering of electromagnetic radiation by matter (dust and gas) between an emitting astronomical object and the observer. Interstellar extinction also called Galactic… … Wikipedia
Extinction event — … Wikipedia
Extinction (disambiguation) — Extinction or extinct may refer to:In science:* In the physical sciences, extinction is another word for the attenuation of radiation by absorption and/or scattering. ** Extinction coefficient, a measure of how well a material attenuates… … Wikipedia
extinction — /ik stingk sheuhn/, n. 1. the act of extinguishing. 2. the fact or condition of being extinguished or extinct. 3. suppression; abolition; annihilation: the extinction of an army. 4. Biol. the act or process of becoming extinct; a coming to an end … Universalium
extinction — noun a) The action of making or becoming extinct; annihilation. b) The absorption or scattering of electromagnetic radiation emitted by astronomical objects by intervening dust and gas before it reaches the observer. See Also: extinct … Wiktionary
Permian–Triassic extinction event — … Wikipedia
Cretaceous–Tertiary extinction event — Artist s rendering of bolide impact Badlands nea … Wikipedia
Cosmic dust — Space dust redirects here. For other uses, see Space dust (disambiguation). Porous chondrite interplanetary dust particle. Cosmic dust is a type of dust composed of particles in space which are a few molecules to 0.1 µm in size. Cosmic dust… … Wikipedia
Human extinction — is the end of the human species. Various scenarios have been discussed in science, popular culture, and religion (see End time). The scope of this article is existential risks. Humans are very widespread on the Earth, and live in communities… … Wikipedia
Circumstellar dust — is astronomical dust around a star. It can be in the form of a spherical shell or a disk, e.g. an accretion disk. Circumstellar dust can be responsible for significant extinction and is usually the source of an infrared excess for stars that have … Wikipedia
interstellar extinction — noun the dimming of light from the stars due to absorption and scattering from dust in the interstellar medium … Wiktionary
