Comment on X-37B plane can stay in space for years, power source?Comments−gvb11yIt is extremely likely it is the hypergolic fuel used for the on-orbit manoeuvring rockets. Hypergolic fuel is really nasty stuff.It is likely the same rocket fuel (maybe the same rockets) as used by the space shuttle (OMS).http://en.wikipedia.org/wiki/Space_Shuttle_Orbital_Maneuveri...See also:* http://en.wikipedia.org/wiki/Space_Shuttle_Discovery#Decommi...* http://en.wikipedia.org/wiki/Hypergolic_propellant#Disadvant...
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It is extremely likely it is the hypergolic fuel used for the on-orbit manoeuvring rockets. Hypergolic fuel is really nasty stuff.
It is likely the same rocket fuel (maybe the same rockets) as used by the space shuttle (OMS).
http://en.wikipedia.org/wiki/Space_Shuttle_Orbital_Maneuveri...
See also:
* http://en.wikipedia.org/wiki/Space_Shuttle_Discovery#Decommi...
* http://en.wikipedia.org/wiki/Hypergolic_propellant#Disadvant...