James Webb Space Telescope resumes science operations after glitch

[ad_1] MIRI mechanism issue On August 24, Webb engineers discovered that a grating wheel mechanism which supports the telescope’s “medium-resolution spectroscopy” (MRS) mode was showing signs of increased friction. The wheel is only used for one of the telescope’s four modes, which includes imaging, low-resolution spectroscopy, coronagraphic imaging and MRS. After preliminary health checks and […]

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James Webb Space Telescope runs into technical issue

[ad_1] NASA scientists have observed a technical problem with the James Webb Space Telescope’s Mid-Infrared Instrument (MIRI) instrument. Since its launch, the Webb telescope has been offering scientists unprecedented views into the universe beyond our planet, the most recent of which was the telescope’s first images and spectra of Mars. The space agency has convened […]

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