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Topic: Albedo (disambiguation)

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	Albedo (disambiguation) - Wikipedia, the free encyclopedia
		The albedo of an object is its optical reflectivity, i.e., the extent to which it reflects light.
		Albedo feature, a large area on the surface of a planet (or other solar system body) which shows a contrast in brightness or darkness (albedo) with adjacent areas.
		The albedo is also the "spongy white tissue on the inside of the rind of citrus fruit" (American Heritage Dictionary) between the peel and the fruit, also sometimes known as the pith.
	en.wikipedia.org /wiki/Albedo_(disambiguation) (188 words)

	Albedo - Biocrawler (Site not responding. Last check: 2007-10-12)
		The intensity of the albedo effect depends on the size of the change in albedo and the amount of insolation; for this reason it can be potentially very large in the tropics.
		The albedo of a pine forest at 45°N in the winter in which the trees cover the land surface completely is only about 9%, among the lowest of any naturally occurring land environment.
		Albedo and climate in some areas are already affected by artificial clouds, such as those created by the contrails of heavy commercial airliner traffic.
	www.biocrawler.com /encyclopedia/Albedo (1227 words)

	Albedo - Wikipedia
		Albedo is a measure of the tendency of a surface to absorb and re-emit incoming radiation, and thus lower its own temperature.
		Every molecule of every substance has its own albedo, but albedo can also refer to a collection of very many objects, and can even be applied to objects of a very large scale, such as the planet Earth, which has an albedo of 38% (Walker, 1987).
		Since albedo can greatly affect the temperature of an area, it is advantageous for people, especially in cold climates, to settle in areas where the albedo is very low, so that they can get as much warmth as possible from the sun.
	nostalgia.wikipedia.org /wiki/Albedo (2337 words)

	Albedo - Wikipedia, the free encyclopedia
		The study of albedos, their dependence on wavelength, lighting angle ("phase angle"), and variation in time comprises a major part of the astronomical field of photometry.
		For example, the absolute albedo can indicate the surface ice content of outer solar system objects, the variation of albedo with phase angle gives information about regolith properties, while unusually high radar albedo is indicative of high metallic content in asteroids.
		The direct (albedo) effect is generally to cool the planet; the indirect effect (the particles act as CCNs and thereby change cloud properties) is less certain [2].
	en.wikipedia.org /wiki/Albedo (1621 words)

	Albedo - Free net encyclopedia (Site not responding. Last check: 2007-10-12)
		Albedo (Latin for white) is a measure of reflectivity of a surface or body (unitless).
		Albedo of the Earth surface is regularly 'measured' by earth observation satellite sensors such as NASA's MODIS instruments onboard the Terra and Aqua satellites.
		Albedo ${\alpha}$ can then be given as: ${\alpha}= (1-D) \bar \alpha(\theta_i) + D \bar \bar \alpha$ Directional-hemispherical reflectance is sometimes referred to as fl-sky albedo and bi-hemisperical reflectance as white sky albedo, for obvious reasons.
	www.netipedia.com /index.php/Albedo (1314 words)

	ooBdoo (Site not responding. Last check: 2007-10-12)
		Charon's discovery also resulted in the calculation of Pluto's albedo being revised upward; since the planet was now seen as being far smaller than originally estimated, by necessity its capacity to reflect light must be greater than what had been formerly believed.
		The moons' spectral similarity with Charon suggests a 35% albedo similar to Charon's; this results in diameter estimates of 46 kilometres for Nix and 61 kilometres for the brighter orientation of Hydra.
		This caused its discoverers to call it the "10th planet" of the solar system, although there is no consensus yet on whether to call it a planet, and others consider the new discovery to be the strongest argument yet for demoting Pluto to the status of a minor planet.
	www.oobdoo.com /wikipedia/?title=Pluto (4984 words)

	Dione - Wikipedia
		On the trailing hemisphere of Dione there is a network of bright streaks on a dark background and few visible craters.
		Apparently, it is material with a high albedo and is thin enough that it doesn't obscure the surface feature underneath.
		The pattern of cratering since then and the bright albedo of the leading side suggests that Dione has remained in its current orientation for several billion years.
	nostalgia.wikipedia.org /wiki/Dione (507 words)

	Albedo (Site not responding. Last check: 2007-10-12)
		Earth has an average albedo of 37-39% the albedo of the moon is about In astronomy the albedo of satellites and can be used to infer their surface most notably its ice content.
		The intensity of albedo effect depends on the size of change in albedo and the amount of for this reason it can be potentially large in the tropics.
		The albedo of a pine forest at 45°N in the winter which the trees cover the land surface is only about 9% among the lowest any naturally occurring land environment.
	www.freeglossary.com /Albedo (1076 words)

	Ice age - Biocrawler (Site not responding. Last check: 2007-10-12)
		The "Snowball Earth" hypothesis maintains that the severe freezing in the late Proterozoic was both caused and ended by changes in CO levels in the atmosphere.
		The complex pattern of changes in Earth's orbit and the change of albedo may influence the occurrence of glacial and interglacial phases — this was first explained by the theory of Milutin Milankovic.
		The present ice ages are the most studied and best understood, particularly the last 400,000 years, since this is the period covered by ice cores that record atmospheric composition and proxies for temperature and ice volume.
	www.biocrawler.com /encyclopedia/Ice_age (2161 words)

	Moon (Site not responding. Last check: 2007-10-12)
		The Moon is the only natural satellite of Earth.
		Spacecraft are cut off from direct radio communication with the Earth when on the far side of the Moon.
		The distinguishing feature of the far side is its almost complete lack of maria (singular: mare), which are the dark albedo features.
	uncover.us /en/wikipedia/m/mo/moon.html (3250 words)

	CalendarHome.com - Venus - Calendar Encyclopedia
		For other uses of this term, see Venus (disambiguation).
		Venus's bolometric albedo is approximately 60%, and its visual light albedo is even greater.
		Thus, despite being closer to the Sun than Earth, the surface of Venus is not as well heated and even less well lit by the Sun.
	encyclopedia.calendarhome.com /Venus_(planet).htm (3230 words)

	VOLCANO FACTS AND INFORMATION (Site not responding. Last check: 2007-10-12)
		A volcano is a geological landform (usually a mountain) where a substance, usually magma (rock of the Earth's interior made molten or liquid by extremely high temperatures along with a reduction in pressure and/or the introduction of water or other volatiles) erupts through the surface of a planet.
		The aerosols increase the Earth's albedo - its reflection of radiation from the Sun back into space - and thus cool the Earth's lower atmosphere or troposphere; however, they also absorb heat radiated up from the Earth, thereby warming the stratosphere.
		Several eruptions during the past century have caused a decline in the average temperature at the Earth's surface of up to half a degree (Fahrenheit scale) for periods of one to three years.
	velocipay.com /volcano (3808 words)

	Pluto (planet) (Site not responding. Last check: 2007-10-12)
		P1 is sometimes brighter than P2 and thus may be larger in some dimensions; alternately different parts of its surface may vary in brightness.
		The moons' spectral similarity with Charon suggests a similar 35% albedo to Charon; this results in estimates of 46 kilometres for P2 and 61 kilometres for the brighter orientation of P1.
		On July 29, 2005, a Trans-Neptunian object called 2003 UB was announced, which on the basis of its magnitude and simple albedo considerations is assumed to be larger than Pluto.
	en.explicatus.org /wiki/Pluto_(planet) (4832 words)

	[No title]
		Large albedo features retain many of the older names, but are often updated to reflect new knowledge of the nature of the features.
		The surface of Mars as seen from Earth is thus divided into two kinds of areas, with differing albedo.
		The paler plains covered with dust and sand rich in reddish iron oxides were once thought of as Martian 'continents' and given names like Arabia Terra (land of Arabia) or Amazonis Planitia (Amazonian plain).
	www.homestayfinder.com /Dictionary.aspx?q=Mars (3967 words)

	Pluto Did You Mean pluto (Site not responding. Last check: 2007-10-12)
		Previously some researchers theorized that Pluto and its moon Charon were moons of Neptune that were knocked out of Neptune's orbit.
		In 2004 the discoverers of 90377 Sedna, an extremely distant object well beyond the other known transneptunian objects, placed an upper limit of 1800 km on its diameter, close to Pluto's 2320 km.
		See also astronomical objects and the solar system's list of objects, sorted by radius or mass
	www.did-you-mean.com /Pluto.html (3586 words)

	HTML 4.0 Character Entities Support Reference Tables (Site not responding. Last check: 2007-10-12)
		The character entity references in this section are for escaping markup-significant characters (these are the same as those in HTML 2.0 and 3.2), for denoting spaces and dashes.
		Other characters in this section apply to internationalization issues such as the disambiguation of bidirectional text (see the section on bidirectional text for details).
		Entities have also been added for the remaining characters occurring in CP-1252 which do not occur in the HTMLlat1 or HTMLsymbol entity sets.
	www.albedo.net /~sidr/mozilla/docs/char.entities.html (4641 words)

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