Science operations for NASA’s exoplanet-hunting Kepler telescope were suspended Jan. 17 when the spacecraft was placed into a 10-day safe mode to evaluate a balky reaction wheel, mission manager Roger ...

(PhysOrg.com) -- Engineers are studying the reaction wheels on NASA's Dawn spacecraft after automatic sensors detected excess friction building up in one of them and powered it off early on the ...

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 ...

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Millennium Space Systems today announced that it has shipped out their first set of RWA-1000 reaction wheels to commercial customer SSL in Palo Alto, CA. This first delivery— under a contract from SSL ...

LAFAYETTE, Colo.--(BUSINESS WIRE)--Small-satellite manufacturer and mission services provider Blue Canyon Technologies LLC ("BCT" or "Blue Canyon"), a wholly-owned subsidiary of Raytheon Technologies, ...

When you think about all the forces that have to be balanced to keep a drone stable, it’s a wonder that the contraptions stay in the air at all. And when the only option for producing those forces is ...

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Three weeks into its attempt to rescue NASA's aging Swift Observatory, the Katalyst Space Technologies LINK spacecraft lost attitude control. Two of its three reaction wheels failed. The spacecraft ...

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 ...