bow shock
81Nanoflares — A nanoflare is a very small solar flare which happens in the corona, the external atmosphere of the Sun. The hypothesis of microflares as a possible explanation of the coronal heating was first suggested by Gold [1] and then later developed by… …
82Outline of astronomy — Mauna Kea in Hawaii is one of the world s premier observatory sites. Pictured is the W. M. Keck Observatory, an optical interferometer. The following outline is provided as an overview of and topical guide to astronomy: Astronomy – studies the… …
83Prix Locus de la meilleure nouvelle longue — Les prix Locus sont décernés chaque année, depuis 1971, par les lecteurs du magazine américain mensuel de science fiction Locus lors de la Westercons qui se déroule le quatrième week end de juillet. La catégorie de la meilleure nouvelle longue… …
84Объект Хербига — Объект Хербига  Аро HH 47, снимок телескопа Хаббл. Отрезок обозначает расстояние в 1000 астрономических единиц (примерно 20 диаметров Солнечной системы). Объекты Хербига  Аро (англ …
85Dyson sphere — A Dyson sphere (or shell as it appeared in the original paper) is a hypothetical megastructure originally described by Freeman Dyson. Such a sphere would be a system of orbiting solar power satellites meant to completely encompass a star and… …
86Earth — This article is about the planet. For other uses, see Earth (disambiguation). Earth   …
87Uranus — This article is about the planet. For other uses, see Uranus (disambiguation). Uranus   …
88Aurora (astronomy) — Aurora Borealis redirects here. For other uses, see Aurora Borealis (disambiguation). Aurora Australis redirects here. For the ship, see Aurora Australis (icebreaker). For the book, see Aurora Australis (book). Northern lights redirects here. For …
89Ganymede (moon) — Ganymede Image of Ganymede s anti Jovian hemisphere taken by the Galileo probe. Lighter surfaces, such as in recent impacts, grooved terrain and the whitish north polar cap at upper right, are enriched in water ice. Discovery …
90Earth's magnetic field — Computer simulation of the Earth s field in a normal period between reversals.[1] The tubes represent magnetic field lines, blue when the field points towards the center and yellow when away. The rotation axis of the Earth is centered and… …
