News tagged with liquid hydrogen

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Exploring the universe with nuclear power

In the past four decades, NASA and other space agencies from around the world have accomplished some amazing feats. Together, they have sent manned missions to the Moon, explored Mars, mapped Venus and Mercury, ...

dateFeb 02, 2015 in Space Exploration
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Environmentally friendly rockets

(PhysOrg.com) -- Many rockets, satellites, and spacecraft are driven by hydrazine, sometimes with an oxidizing agent like nitric acid or dinitrogen tetroxide. When filling tanks with these highly toxic substances, ...

dateMay 27, 2011 in Materials Science
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The water dance

Water (H2O) is a unique molecule that holds amazing properties. Scientists have a good grasp of the structure and chemistry of individual molecules of water. But understanding how large numbers of these m ...

dateNov 29, 2010 in Condensed Matter
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Sulfurous signs of life

Any sulfurous molecules that astronomers spot on alien worlds might be a way to reveal whether or not those distant planets host life, researchers suggest.

dateJun 30, 2011 in Astronomy
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