The enormous spacecraft that will head to Jupiter's moon Europa uses four large reaction wheels to help keep it oriented. Just as NASA's Mars rovers rely on robust wheels to roam the Red Planet and ...
This article illustrates our group's most recent progress in developing an optimal path planner for rigid-body spacecraft rotations using Control Moment Gyroscopes (CMG's). This work improves upon our ...
Almost all satellites have some kind of thrusters aboard, but they tend to use them as little as possible to conserve chemical fuel. Reaction wheels are one way to make orientation adjustments without ...
WASHINGTON — A reaction wheel on NASA’s Kepler spacecraft continues to experience elevated levels of friction after a brief rest period, but project officials say that does not necessarily imply an ...
NASA's SPHEREx spacecraft remains on schedule to launch in April 2025 after correcting a reaction wheel issue. Credit: NASA/JPL-Caltech WASHINGTON — A NASA astrophysics mission remains on schedule to ...
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