HomeSpace FlightNASA's gamma-ray observatory is back in action after technical glitch

NASA’s gamma-ray observatory is back in action after technical glitch

NASA’s Neil Gehrels Swift Observatory is back to science operations as of Thursday (Feb. 17), following a glitch more than a month ago.

The nearly 18-year-old telescope suffered a failure with one of its reaction wheels on Jan. 18, forcing a temporary pivot to safe mode. Swift uses a total of six reaction wheels to autonomously point itself in the direction of possible gamma-ray bursts (GRBs), and will now operate with just five of those wheels, NASA said in an update on Friday (Feb. 18).

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