New rocket aims for cheaper nudges in space: Plasma thruster is small, runs on inexpensive gases (Video)

(PhysOrg.com) -- Satellites orbiting the Earth must occasionally be nudged to stay on the correct path. MIT scientists are developing a new rocket that could make this and other spacecraft maneuvers much less costly, a consideration of growing importance as more private companies start working in space.

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<p><a href="http://www.physorg.com/news154621961.html">New rocket aims for cheaper nudges in space: Plasma thruster is small, runs on inexpensive gases (Video)</a></p> <p>(PhysOrg.com) -- Satellites orbiting the Earth must occasionally be nudged to stay on the correct path. MIT scientists are developing a new rocket that could make this and other spacecraft maneuvers much less costly, a consideration of growing importance as more private companies start working in space.</p>