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Thursday, Nov 23, 2017

NASA

Image - NASAs JWST Completes Final Cryogenic Testing

NASA's JWST Completes Final Cryogenic Testing

The vault-like, 40-foot diameter, 40-ton door of Chamber A at NASA's Johnson Space Center in Houston was unsealed on November 18, signaling the end of cryogenic testing for NASA's James Webb Space Telescope. The historic chamber's massive door opening brings to a close about 100 days of testing for Webb, a significant milestone in the telescope's journey to the launch p...
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Image - Lava or Not, Exoplanet 55 Cancri e Likely to Have Atmosphere

Lava or Not, Exoplanet 55 Cancri e Likely to Have Atmosphere

Twice as big as Earth, the super-Earth 55 Cancri e was thought to have lava flows on its surface. The planet is so close to its star, the same side of the planet always faces the star, such that the planet has permanent day and night sides. Based on a 2016 study using data from NASA's Spitzer Space Telescope, scientists speculated that lava would flow freely in lakes on th...
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