NASA's Webb Space Telescope Continues Multi-Instrument Alignment - SciTechDaily

While telescope alignment continues, Webb’s Mid-Infrared Instrument (MIRI) is still in cooldown mode. MIRI, which will be the coldest of Webb’s four instruments, is the only instrument that will be actively cooled by a cryogenic refrigerator, or cryocooler. T…

This animation shows the path light will follow as it hits the primary James Webb Space Telescope (JWST) mirror, and is reflected to the secondary, and then in through the aft optics assembly where t… [+4807 chars]

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