solar uv emission
61Nebular hypothesis — Star formation Interstellar medium Molecular cloud …
62Dominique Grimault — Pour les articles homonymes, voir Grimault (homonymie). Dominique Grimault est un journaliste sportif français né en 1948. Il travaille depuis août 2009 à l Olympique de Marseille, d abord comme directeur des médias et responsable de la chaîne OM …
63light — light1 lightful, adj. lightfully, adv. /luyt/, n., adj., lighter, lightest, v., lighted or lit, lighting. n. 1. something that makes things visible or affords illumination: All colors depend on light. 2. Physics …
64Radioactive decay — For particle decay in a more general context, see Particle decay. For more information on hazards of various kinds of radiation from decay, see Ionizing radiation. Radioactive redirects here. For other uses, see Radioactive (disambiguation).… …
65Mitigation of global warming — involves taking actions to reduce greenhouse gas emissions and to enhance sinks aimed at reducing the extent of global warming. [ [http://www.ipcc.ch/pdf/glossary/ar4 wg3.pdf IPCC Glossary Working Group III, p. 818] ] This is in distinction to… …
66Comet Shoemaker–Levy 9 — D/1993 F2 (Shoemaker–Levy) Image of Comet Shoemaker–Levy 9 fragments (total: 21), taken on May 17, 1994 Discovery Discovered by: Carolyn Shoemaker Eugene M. Shoemaker David Levy Discovery date …
67Comet — This article is about the astronomical object. For other uses, see Comet (disambiguation). Comet Hale– …
68climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …
69Comet Shoemaker-Levy 9 — Shoemaker Levy redirects here. For other Shoemaker Levy comets see List of periodic comets. Infobox Comet name=SL9 (Shoemaker Levy) caption=Image of Comet Shoemaker Levy 9 fragments (total: 21), taken on May 17, 1994 discoverer= Carolyn Shoemaker …
70Supernova — This article is about the astronomical event. For other uses, see Supernova (disambiguation). Multiwavelength X ray, infrared, and optical compilation image of Kepler s supernova remnant, SN 1604. A supernova is a stellar explosion that is more… …
