Astronomers used NASA's Kepler space telescope to confirm the orbital period of the outermost TRAPPIST-1 planet.
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Astronomers used NASA's Kepler space telescope to confirm the orbital period of the outermost TRAPPIST-1 planet.
A solar concentrator is tested as part of the Carbothermal Reduction Demonstration (CaRD) project, which aims to produce oxygen from si...
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