News tagged with liquid hydrazine
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) |
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Herschel satellite weighed and fuelled
(PhysOrg.com) -- About two weeks ago, Herschel was weighed to record its dry mass before the satellite was fuelled with 256 kg of liquid hydrazine. After switching it on to confirm normal function, engineers ...
Space & Earth / Space Exploration
Apr 22, 2009 |
3.5 / 5 (2) |
0
Search results for liquid hydrazine
Scientists report first solar cell producing more electrons in photocurrent than solar photons entering cell
(PhysOrg.com) -- Researchers from the National Renewable Energy Laboratory (NREL) have reported the first solar cell that produces a photocurrent that has an external quantum efficiency greater than 100 percent when photoexcited ...
Dec 15, 2011 |
4.8 / 5 (42) |
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Russia's attempts to save Mars probe unsuccessful (Update)
As Russia's space agency struggled Thursday to fix a probe bound for a moon of Mars that instead got stuck in Earth's orbit, some experts said the chances of saving the $170 million craft looked slim.
Space & Earth / Space Exploration
Nov 10, 2011 |
5 / 5 (8) |
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Gas giant spacecraft all gassed up
(PhysOrg.com) -- The Juno spacecraft completed hydrazine fuel loading, oxidizer loading and final tank pressurizations this week, and now the complete propulsion system is ready for the trip to Jupiter. The ...
Space & Earth / Space Exploration
Jul 08, 2011 |
5 / 5 (2) |
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Researchers make advances in rechargeable solid hydrogen fuel storage tanks
Researchers have revealed a new single-stage method for recharging the hydrogen storage compound ammonia borane. The breakthrough makes hydrogen a more attractive fuel for vehicles and other transportation modes.
Mar 21, 2011 |
4 / 5 (1) |
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'Green' satellite fuel designed to make space safer
(PhysOrg.com) -- On the day running up to launch when a spacecraft is fuelled, ground personnel look more like astronauts than engineers, putting on spacesuit-like protective gear.
Space & Earth / Space Exploration
Mar 16, 2010 |
4.8 / 5 (6) |
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Low-cost solution processing method developed for CIGS-based solar cells
Though the solar industry today predominately produces solar panels made from crystalline silicon, they remain relatively expensive to make. New players in the solar industry have instead been looking at panels that can harvest ...
Nanotechnology / Nanomaterials
Jul 07, 2009 |
3.3 / 5 (3) |
1
Planck satellite fuels up
(PhysOrg.com) -- Tests conducted on Planck at Europe's Spaceport in Kourou, French Guiana, have confirmed that the satellite's subsystems work perfectly, and the helium dilution cooler tanks have now been ...
Space & Earth / Space Exploration
Apr 23, 2009 |
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Scientists simulate effects of blowing Mars dust
Gusting winds and the pulsating exhaust plumes from the Phoenix spacecraft's landing engines could complicate NASA's efforts to sample frozen soil from the surface of Mars, according to University of Michigan atmospheric ...
Space & Earth / Space Exploration
Jun 15, 2007 |
4 / 5 (1) |
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NASA's Next Mars Spacecraft Arrives in Florida for Final Checkout
A large spacecraft destined to be Earth's next robotic emissary to Mars has completed the first leg of its journey, a cargo-plane ride from Colorado to Florida in preparation for an August launch. NASA's Mars ...
May 03, 2005 |
not rated yet |
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List of search results for liquid hydrazine
