News tagged with liquid hydrogen

Related topics:

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
5 / 5 (3) 1 | with audio podcast

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
3.7 / 5 (9) 17 | with audio podcast

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 ...

Sep 29, 2011
5 / 5 (3) 0

Kepler and the Search for Life in Our Galaxy

(PhysOrg.com) -- There are so many stars in our galaxy that even if planets with complex life (animals and plants) are rare - say one for every billion stars - there could still be dozens here in the Milky ...

Sep 15, 2009
4.3 / 5 (9) 1

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
4.6 / 5 (9) 0 | with audio podcast