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Exercising In Space

What did astronaut Shannon Lucid like least about her six months on Space Station Mir? The daily exercise. 'It was just downright hard,' she wrote in Scientific American (May 1998). 'I had to put on a ...
A composite Chandra X-ray (blue) and Palomar infrared (red and green) image of the supernova remnant W49B.
New Evidence Points to a Gamma-Ray Burst... In Our Own Backyard

Only 35,000 light years away lies W49B, the supernova remnant left over from the cataclysmic burst. New evidence pointing to a gamma ray burst origin for this remnant was discovered by X-ray data from ...
The Eccentric Spin of Uranus
The Strange Spin of Uranus

Directional terms like north and south make sense here on Earth. The north and south axis of the Earth is relatively perpendicular to the plane of the Earth's orbit around the sun. Actually, Earth's a ...

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