News tagged with liquid hydrogen
NASA's J-2X engine kicks off 2012 with powerpack testing
(PhysOrg.com) -- A new series of tests on the engine that will help carry humans to deep space will begin next week at NASA's Stennis Space Center in southern Mississippi. The tests on the J-2X engine bring ...
Space & Earth / Space Exploration
Jan 26, 2012 |
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NASA ready to test upgraded J-2X powerpack
(PhysOrg.com) -- For engineers working on the J-2X engine program, installation of the upgraded J-2X powerpack on the A-1 Test Stand on Dec. 5 had to feel like a long-awaited holiday gift.
Space & Earth / Space Exploration
Dec 07, 2011 |
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New NASA missions to investigate how Mars turned hostile
(PhysOrg.com) -- Maybe because it appears as a speck of blood in the sky, the planet Mars was named after the Roman god of war. From the point of view of life as we know it, that's appropriate. The Martian ...
Space & Earth / Space Exploration
Nov 18, 2011 |
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NASA's new upper stage engine passes major test
(PhysOrg.com) -- NASA conducted a successful 500-second test firing of the J-2X rocket engine on Wednesday, Nov. 9, marking another important step in development of an upper stage for the heavy-lift Space Launch System (SLS). ...
Space & Earth / Space Exploration
Nov 09, 2011 |
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First comet found with ocean-like water: New clues to creation of Earth's oceans
(PhysOrg.com) -- New evidence supports the theory that comets delivered a significant portion of Earth's oceans, which scientists believe formed about 8 million years after the planet itself.
Space & Earth / Space Exploration
Oct 05, 2011 |
4.8 / 5 (18) |
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Study sheds light on the mysterious structure of water-air interface
Findings by Japanese researchers at the RIKEN Advanced Science Institute and their colleagues at Tohoku University and in the Netherlands have resolved a long-standing debate over the structure of water molecules ...
Oct 03, 2011 |
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NASA tests deep space J-2X rocket engine
(PhysOrg.com) -- NASA conducted a 40-second test of the J-2X rocket engine Sept. 28, the most recent in a series of tests of the next-generation engine selected as part of the Space Launch System architecture ...
Space & Earth / Space Exploration
Sep 29, 2011 |
5 / 5 (1) |
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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.
Jun 30, 2011 |
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Upper stage engine ready for testing at NASA's Stennis Space Center
NASA's new J-2X rocket engine, which could power the upper stage of the nation's future heavy-lift launch vehicle, is ready for its first round of testing. The fully assembled engine was installed Saturday in the A-2 Test ...
Space & Earth / Space Exploration
Jun 14, 2011 |
4 / 5 (1) |
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Under pressure, sodium and hydrogen could undergo a metamorphosis, emerging as a superconductor
(PhysOrg.com) -- In the search for superconductors, finding ways to compress hydrogen into a metal has been a point of focus ever since scientists predicted many years ago that electricity would flow, uninhibited, through ...
Jun 13, 2011 |
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How wet is water's surface? Some water molecules split the difference between gas and liquid
(PhysOrg.com) -- Air and water meet over most of the earth's surface, but exactly where one ends and the other begins turns out to be a surprisingly subtle question.
Jun 08, 2011 |
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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, ...
May 27, 2011 |
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NASA fuels shuttle Discovery in test for cracks
(AP) -- NASA fueled space shuttle Discovery at the launch pad Friday, not for flight but rather for testing to understand the mysterious cracking that occurred last month.
Space & Earth / Space Exploration
Dec 17, 2010 |
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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 ...
Nov 29, 2010 |
4.5 / 5 (8) |
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Spaceplane that takes off from airport runway could be ready in 10 years
(PhysOrg.com) -- An unpiloted, air-breathing spaceplane that takes off from an airport runway, carries up to 30 passengers, and costs less than one-tenth to launch into space compared to a conventional rocket ...
Space & Earth / Space Exploration
Sep 21, 2010 |
4.6 / 5 (28) |
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