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Official site for NASA, the United States space agency, providing current information on its robotic and manned space exploration missions.
http://www.nasa.gov/
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wikipedia
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Engaged in scientific and educational projects relevant to the nature, distribution, and ... Welcome to SETI.org! Search: What Will Aliens Really Look Like? ...
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Daily science news, hot topics on some of the current issues facing our world today, plus selected content from the magazine.
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US and Canadian readers, enter your zip code below, hit Go!, and you will find ... At the moment we are monitoring spy satellites Lacrosse 3 and NOSS 2-1, the ...
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Stellarium is planetarium software that shows exactly what you see when you look up at the stars. It's easy to use, and free.
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Explains the science of everyday life. LiveScience offers news stories and in-depth articles covering news and current events in the animal world, technology, the ...
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Track seasonal cusp moments in universal time, according to the Earth's orbit. Includes lessons on the astronomical mechanics of equinoxes, soltices, and cross quarters.
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