Nasa's Web Telescope NIRSpec Instrument Is Ready

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Three of the four Science instruments on NASA's James Webb Space Telescope have completed their commissioning activities.

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Each of Webb's instruments has multiple modes of operation which needs to be tested and calibrated before they can begin to conduct science [{ "selector": ".zemrk-a", "duration": "500ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "transform": "translateX(calc(360px - 83px))", "opacity": "1"}, {"offset": 1, "transform": "translateX(0)", "opacity": "1"} ] }, { "selector": ".ejznm-a", "duration": "500ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "transform": "translateX(-78px)", "opacity": "1"}, {"offset": 1, "transform": "translateX(0)", "opacity": "1"} ] }, { "selector": ".szcej-a", "duration": "500ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "opacity": 0}, {"offset": 1, "opacity": "1"} ] }]

The final mode verified for NIRSpec was the multi-object spectroscopy mode, a key capability that allows the Web to capture Spectra

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In multi-object spectroscopy mode, NIRSpec can individually open and close about 25000 shutters, all just width of human hairs.

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Webb can observe multiple specific targets while reducing the interface from others.

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The confirmation of NIRSpec's multi-object spectroscopy mode marks the first time capability has been verified for use from space.

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Webb is on a mission to peer into the early universe, seek out exoplanets and galaxies and tease out new secrets from the COSMOS. [{ "selector": ".qfpen-a", "duration": "500ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "transform": "translateX(calc(360px - 85px))", "opacity": "1"}, {"offset": 1, "transform": "translateX(0)", "opacity": "1"} ] }, { "selector": ".wreop-a", "duration": "500ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "transform": "translateX(-78px)", "opacity": "1"}, {"offset": 1, "transform": "translateX(0)", "opacity": "1"} ] }, { "selector": ".wclts-a", "duration": "500ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "opacity": 0}, {"offset": 1, "opacity": "1"} ] }]