From the perspective we get on Earth, our planet appears to be big and sturdy with an endless ocean of air. From space, astronauts often get the impression that the Earth is small with a thin, fragile layer of atmosphere.
http://www.solarviews.com/eng/earth.htm
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Truth be told, the eleven episodes of Life - coproduced with the BBC and narrated by Oprah Winfrey - are essentially just eleven more episodes of Planet Earth.
http://tunedin.blogs.time.com/2010/03/19/tv-weekend-discoverys-life-up-close-and-personal/?xid=rss-topstories
Google Earth shows 3D overviews of major cities, mountains, and other terrain, as well as driving directions and maps. Also includes Sky, which allows users to view stars and galaxies, and Ocean, which allows users to explore the ocean floor and ...
http://earth.google.com/
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(Click to enlarge) earth cutaway of earth (Thom Gillis) earth n. The land surface of the world. The softer, friable part of land; soil, especially ... Earth's atmosphere consists of a mixture of gases, chiefly nitrogen and oxygen. ...
http://www.answers.com/topic/earth
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Since then, Earth's biosphere has significantly altered the atmosphere and other ... Earth's outer surface is divided into several rigid segments, or tectonic plates,
http://en.wikipedia.org/wiki/Earth
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NASA scientists combined satellite photographs with surface data to create this detailed image of Earth's land masses and oceans. ... The planet Earth is only a tiny part of the universe, but it is the home of human beings and, in fact, all known life i...
http://www.nasa.gov/worldbook/earth_worldbook.html
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Learn about earth science and geology at National Geographic. Find insightful geology articles and amazing photos and video clips. Discover more at National Geographic.
http://science.nationalgeographic.com/science/earth.html
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earth.net: You may not be able to reduce global warming, end pollution and save endangered species single-handedly, but by choosing to live an earth-friendly lifestyle you can do a lot every day to help achieve those goals. ... Earth is the only planet ...
http://www.earth.net/
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Text profile of Earth, the third planet from the Sun.
http://www.nineplanets.org/earth.html
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It maps the Earth by the superimposition of images obtained from satellite imagery, aerial photography and GIS 3D globe. ... The product, re-released as Google Earth in 2005, is currently available for use on personal computers running Windows 2000 and ...
http://en.wikipedia.org/wiki/Google_Earth
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Explore with scientists the causes and effects of climatic and environmental change through the use of real satellite data.
http://earthobservatory.nasa.gov/
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