Reaction wheels are useful things, typically used by satellites to keep themselves oriented the right way up in space. Turning the reaction wheel creates an equal and opposite torque in the spacecraft ...

(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 ...

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 ...

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 ...

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When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA's Dawn spacecraft has lost another orientation-maintaining reaction wheel, but the failure ...

LONG BEACH, Calif.--(BUSINESS WIRE)--Rocket Lab USA, Inc. (Nasdaq: RKLB) (“Rocket Lab” or the “Company”), global leader in launch and space systems, today announced that construction is underway on a ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA's Neil Gehrels Swift Observatory has temporarily stopped its science observations while the ...