middle stratosphere
1Perlan Project — The Perlan Project is a current research project to fly a sailplane to an altitude of 100,000 feet (30,480 meters). Infobox Cloud name = Polar Stratospheric Cloud Formed by standing mountain wave in Scandinavia image location = Polar… …
2Ozone layer — The ozone layer is a layer in Earth s atmosphere which contains relatively high concentrations of ozone (O3). This layer absorbs 97–99% of the Sun s high frequency ultraviolet light, which is potentially damaging to the life forms on Earth.[1] It …
3Nuclear summer — A Nuclear summer is a hypothetical scenario resulting from nuclear warfare that would follow a nuclear winter, caused by aerosols inserted into the atmosphere that would prevent sunlight from reaching lower levels or the surface. In this scenario …
4climate — /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… …
5global warming — an increase in the earth s average atmospheric temperature that causes corresponding changes in climate and that may result from the greenhouse effect. [1975 80] * * * Potential increase in global average surface temperatures resulting from… …
6atmosphere — atmosphereless, adj. /at meuhs fear /, n., v., atmosphered, atmosphering. n. 1. the gaseous envelope surrounding the earth; the air. 2. this medium at a given place. 3. Astron. the gaseous envelope surrounding a heavenly body. 4. Chem. any… …
7Ozone depletion — Image of the largest Antarctic ozone hole ever recorded (September 2006) Ozone depletion describes two distinct but related phenomena observed since the late 1970s: a steady decline of about 4% per decade in the total volume of ozone in Earth s… …
8Richard Lindzen — Richard S. Lindzen Born 8 February 1940 (1940 02 08) (age 71) Webster, Massachusetts Fields Atmospheric physics …
9Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
10Uranus — This article is about the planet. For other uses, see Uranus (disambiguation). Uranus   …
