News tagged with liquid hydrazine

With rockets, so many things can and do go wrong

(AP) -- It really is rocket science and it really is hard. North Korea proved that again.

Apr 13, 2012 | 4 / 5 (3) | 39

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, ...

Chemistry / Materials Science

May 27, 2011 | 5 / 5 (3) | 1 |

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