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

Monday, February 23, 2009 - 14:49 in Astronomy & Space

(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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