HomeAstronomyJames Webb Space Telescope instrument checkouts on track amid mirror alignment

James Webb Space Telescope instrument checkouts on track amid mirror alignment

Several instruments are preparing to help the James Webb Space Telescope with its mirror alignment and future observations, with several key steps achieved in recent days, according to NASA.

The filter wheel for the Near Infrared Imager and Slitless Spectrograph (NIRISS) has been successfully calibrated, allowing this key part of the Fine Guidance System (FGS) to assist with alignment activities, agency officials wrote in a statement posted Thursday (Feb. 24).

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