Diagram showing the components of Hubble’s Pointing Control System, including the reaction wheels, fine guidance sensors, and gyros. The reaction wheels are in the telescope housing in front of the mirror. The fine guidance sensors and gyros are behind the mirror.

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   Kelly Lepo (kellylepo@astrodon.social)'s status on Sunday, 09-Jun-2024 07:18:12 JST Kelly Lepo

   NASA confirms that #Hubble will switch to one-gyroscope mode after the increasingly erratic behavior of gyro 3 caused the observatory to repeatedly go into safe mode.

   Hubble will continue doing great science, but with somewhat reduced efficiency. It will need more time to slew and lock onto science targets. There is also a limit to the fraction of the sky it can observe at any one time (although it will have access to the full sky over the course of a year).

   More: https://science.nasa.gov/missions/hubble/nasa-to-change-how-it-points-hubble-space-telescope/

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