{"id":10609,"date":"2022-03-17T11:33:05","date_gmt":"2022-03-17T11:33:05","guid":{"rendered":"http:\/\/TheNextWeb=1382698"},"modified":"2022-03-17T11:33:05","modified_gmt":"2022-03-17T11:33:05","slug":"listen-up-space-nerds-the-james-webb-space-telescope-has-taken-an-amazing-image-of-a-star","status":"publish","type":"post","link":"https:\/\/www.londonchiropracter.com\/?p=10609","title":{"rendered":"Listen up, space nerds: The James Webb Space Telescope has taken an amazing image of a star"},"content":{"rendered":"\n<p>In a huge milestone, the James Webb Space Telescope (JWST) has finally <a href=\"https:\/\/www.nasa.gov\/press-release\/nasa-s-webb-reaches-alignment-milestone-optics-working-successfully\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">been aligned<\/a> to produce the first unified image of a single star.<\/p>\n<p>Most <a href=\"https:\/\/spaceplace.nasa.gov\/telescopes\/en\/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">traditional telescopes<\/a> these days (like the one you might have in your backyard) have a single primary mirror that collects distant light from stars. But the JWST has 18 mirrors! These had to be aligned extremely precisely to capture the image NASA released today.<\/p>\n<figure class=\"align-center \" readability=\"3\">\n<p><figure class=\"post-image post-mediaBleed aligncenter\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/images.theconversation.com\/files\/452628\/original\/file-20220316-8637-1fgidb5.gif?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=754&amp;fit=clip\" sizes=\"(min-width: 1466px) 754px, (max-width: 599px) 100vw, (min-width: 600px) 600px, 237px\" alt width=\"600\" height=\"600\" class=\"js-lazy\" data-srcset=\"https:\/\/images.theconversation.com\/files\/452628\/original\/file-20220316-8637-1fgidb5.gif?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=600&amp;h=600&amp;fit=crop&amp;dpr=1 600w, https:\/\/images.theconversation.com\/files\/452628\/original\/file-20220316-8637-1fgidb5.gif?ixlib=rb-1.1.0&amp;q=30&amp;auto=format&amp;w=600&amp;h=600&amp;fit=crop&amp;dpr=2 1200w, https:\/\/images.theconversation.com\/files\/452628\/original\/file-20220316-8637-1fgidb5.gif?ixlib=rb-1.1.0&amp;q=15&amp;auto=format&amp;w=600&amp;h=600&amp;fit=crop&amp;dpr=3 1800w, https:\/\/images.theconversation.com\/files\/452628\/original\/file-20220316-8637-1fgidb5.gif?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=754&amp;h=754&amp;fit=crop&amp;dpr=1 754w, https:\/\/images.theconversation.com\/files\/452628\/original\/file-20220316-8637-1fgidb5.gif?ixlib=rb-1.1.0&amp;q=30&amp;auto=format&amp;w=754&amp;h=754&amp;fit=crop&amp;dpr=2 1508w, https:\/\/images.theconversation.com\/files\/452628\/original\/file-20220316-8637-1fgidb5.gif?ixlib=rb-1.1.0&amp;q=15&amp;auto=format&amp;w=754&amp;h=754&amp;fit=crop&amp;dpr=3 2262w\"><figcaption><a href=\"https:\/\/thenextweb.com\/news\/james-webb-telescope-has-taken-an-amazing-first-image-of-star#\" data-url=\"https:\/\/twitter.com\/intent\/tweet?url=https%3A%2F%2Feditorial.thenextweb.com%2Fneural%2F2022%2F03%2F17%2Fjames-webb-telescope-has-taken-an-amazing-first-image-of-star%2F&amp;via=thenextweb&amp;related=thenextweb&amp;text=Check out this picture on: This gif shows several intermediary images of stars used for the crucial JWST mirror alignment process. GIF: NASA\/Twitter\" data-title=\"Share This gif shows several intermediary images of stars used for the crucial JWST mirror alignment process. GIF: NASA\/Twitter on Twitter\" data-width=\"685\" data-height=\"500\" class=\"post-image-share popitup\" title=\"Share This gif shows several intermediary images of stars used for the crucial JWST mirror alignment process. GIF: NASA\/Twitter on Twitter\"><i class=\"icon icon--inline icon--twitter--dark\"><\/i><\/a>This gif shows several intermediary images of stars used for the crucial JWST mirror alignment process. GIF: NASA\/Twitter<\/figcaption><noscript><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/images.theconversation.com\/files\/452628\/original\/file-20220316-8637-1fgidb5.gif?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=754&amp;fit=clip\" alt width=\"600\" height=\"600\" class srcset=\"https:\/\/images.theconversation.com\/files\/452628\/original\/file-20220316-8637-1fgidb5.gif?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=600&amp;h=600&amp;fit=crop&amp;dpr=1 600w, https:\/\/images.theconversation.com\/files\/452628\/original\/file-20220316-8637-1fgidb5.gif?ixlib=rb-1.1.0&amp;q=30&amp;auto=format&amp;w=600&amp;h=600&amp;fit=crop&amp;dpr=2 1200w, https:\/\/images.theconversation.com\/files\/452628\/original\/file-20220316-8637-1fgidb5.gif?ixlib=rb-1.1.0&amp;q=15&amp;auto=format&amp;w=600&amp;h=600&amp;fit=crop&amp;dpr=3 1800w, https:\/\/images.theconversation.com\/files\/452628\/original\/file-20220316-8637-1fgidb5.gif?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=754&amp;h=754&amp;fit=crop&amp;dpr=1 754w, https:\/\/images.theconversation.com\/files\/452628\/original\/file-20220316-8637-1fgidb5.gif?ixlib=rb-1.1.0&amp;q=30&amp;auto=format&amp;w=754&amp;h=754&amp;fit=crop&amp;dpr=2 1508w, https:\/\/images.theconversation.com\/files\/452628\/original\/file-20220316-8637-1fgidb5.gif?ixlib=rb-1.1.0&amp;q=15&amp;auto=format&amp;w=754&amp;h=754&amp;fit=crop&amp;dpr=3 2262w\"><\/noscript><\/figure><figcaption><\/figcaption><\/p>\n<\/figure>\n<h2>The challenge with JWST<\/h2>\n<p>The JWST is the largest telescope humans have ever sent into<a href=\"https:\/\/thenextweb.com\/topic\/space\" target=\"_blank\" rel=\"noopener noreferrer\"> space<\/a>. It\u2019s so big that none of our rockets can carry it when fully extended. As such, it was designed to be neatly folded to fit inside the cargo hold atop an <a href=\"https:\/\/www.arianespace.com\/wp-content\/uploads\/2020\/06\/Arianespace_Brochure_Ariane5_Sept2019.pdf\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Ariane 5 launch vehicle<\/a>.<\/p>\n<p>The telescope uses segmented mirror technology. This technology has been in use for a few decades now, by some of the largest optical telescopes in the world, including the <a href=\"https:\/\/www.keckobservatory.org\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Keck Observatory<\/a> in Hawaii (which has two 10m-diameter mirrors, each made of 36 hexagonal segments).<\/p>\n<p>The main challenge with the JWST was being able to unfold it to its fully extended form in space, under extreme conditions of heat and cold, and with no human assistance.<\/p>\n<p>This process began in January. Once the mirror segments were unfolded, they had to be aligned so all 18 combined to form a single 6.5m-diameter curved mirror.<\/p>\n<p>The JWST has now completed this <a href=\"https:\/\/blogs.nasa.gov\/webb\/2022\/02\/03\/photons-incoming-webb-team-begins-aligning-the-telescope\/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">alignment process<\/a>, giving us the first unified image. The image was taken using the <a href=\"https:\/\/jwst-docs.stsci.edu\/jwst-near-infrared-camera\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">near infrared camera (NIRCam)<\/a>, one of the telescope\u2019s <a href=\"https:\/\/www.stsci.edu\/jwst\/instrumentation\/instruments\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">four key science instruments<\/a>.<\/p>\n<figure class=\"align-center zoomable\" readability=\"3\">\n<p><figure class=\"post-image post-mediaBleed aligncenter\"><a href=\"https:\/\/images.theconversation.com\/files\/452683\/original\/file-20220317-8368-1ec7r1m.jpeg?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=1000&amp;fit=clip\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/images.theconversation.com\/files\/452683\/original\/file-20220317-8368-1ec7r1m.jpeg?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=754&amp;fit=clip\" sizes=\"(min-width: 1466px) 754px, (max-width: 599px) 100vw, (min-width: 600px) 600px, 237px\" alt=\"Close-up view of the NIRCam instrument\" width=\"600\" height=\"429\" class=\"js-lazy\" data-srcset=\"https:\/\/images.theconversation.com\/files\/452683\/original\/file-20220317-8368-1ec7r1m.jpeg?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=600&amp;h=429&amp;fit=crop&amp;dpr=1 600w, https:\/\/images.theconversation.com\/files\/452683\/original\/file-20220317-8368-1ec7r1m.jpeg?ixlib=rb-1.1.0&amp;q=30&amp;auto=format&amp;w=600&amp;h=429&amp;fit=crop&amp;dpr=2 1200w, https:\/\/images.theconversation.com\/files\/452683\/original\/file-20220317-8368-1ec7r1m.jpeg?ixlib=rb-1.1.0&amp;q=15&amp;auto=format&amp;w=600&amp;h=429&amp;fit=crop&amp;dpr=3 1800w, https:\/\/images.theconversation.com\/files\/452683\/original\/file-20220317-8368-1ec7r1m.jpeg?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=754&amp;h=539&amp;fit=crop&amp;dpr=1 754w, https:\/\/images.theconversation.com\/files\/452683\/original\/file-20220317-8368-1ec7r1m.jpeg?ixlib=rb-1.1.0&amp;q=30&amp;auto=format&amp;w=754&amp;h=539&amp;fit=crop&amp;dpr=2 1508w, https:\/\/images.theconversation.com\/files\/452683\/original\/file-20220317-8368-1ec7r1m.jpeg?ixlib=rb-1.1.0&amp;q=15&amp;auto=format&amp;w=754&amp;h=539&amp;fit=crop&amp;dpr=3 2262w\"><noscript><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/images.theconversation.com\/files\/452683\/original\/file-20220317-8368-1ec7r1m.jpeg?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=754&amp;fit=clip\" alt=\"Close-up view of the NIRCam instrument\" width=\"600\" height=\"429\" class srcset=\"https:\/\/images.theconversation.com\/files\/452683\/original\/file-20220317-8368-1ec7r1m.jpeg?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=600&amp;h=429&amp;fit=crop&amp;dpr=1 600w, https:\/\/images.theconversation.com\/files\/452683\/original\/file-20220317-8368-1ec7r1m.jpeg?ixlib=rb-1.1.0&amp;q=30&amp;auto=format&amp;w=600&amp;h=429&amp;fit=crop&amp;dpr=2 1200w, https:\/\/images.theconversation.com\/files\/452683\/original\/file-20220317-8368-1ec7r1m.jpeg?ixlib=rb-1.1.0&amp;q=15&amp;auto=format&amp;w=600&amp;h=429&amp;fit=crop&amp;dpr=3 1800w, https:\/\/images.theconversation.com\/files\/452683\/original\/file-20220317-8368-1ec7r1m.jpeg?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=754&amp;h=539&amp;fit=crop&amp;dpr=1 754w, https:\/\/images.theconversation.com\/files\/452683\/original\/file-20220317-8368-1ec7r1m.jpeg?ixlib=rb-1.1.0&amp;q=30&amp;auto=format&amp;w=754&amp;h=539&amp;fit=crop&amp;dpr=2 1508w, https:\/\/images.theconversation.com\/files\/452683\/original\/file-20220317-8368-1ec7r1m.jpeg?ixlib=rb-1.1.0&amp;q=15&amp;auto=format&amp;w=754&amp;h=539&amp;fit=crop&amp;dpr=3 2262w\"><\/noscript><\/a><figcaption><a href=\"https:\/\/thenextweb.com\/news\/james-webb-telescope-has-taken-an-amazing-first-image-of-star#\" data-url=\"https:\/\/twitter.com\/intent\/tweet?url=https%3A%2F%2Feditorial.thenextweb.com%2Fneural%2F2022%2F03%2F17%2Fjames-webb-telescope-has-taken-an-amazing-first-image-of-star%2F&amp;via=thenextweb&amp;related=thenextweb&amp;text=Check out this picture on: The NIRCam is the optical system that captures images on the James Webb Space Telescope. Image: NASA\" data-title=\"Share The NIRCam is the optical system that captures images on the James Webb Space Telescope. Image: NASA on Twitter\" data-width=\"685\" data-height=\"500\" class=\"post-image-share popitup\" title=\"Share The NIRCam is the optical system that captures images on the James Webb Space Telescope. Image: NASA on Twitter\"><i class=\"icon icon--inline icon--twitter--dark\"><\/i><\/a>The NIRCam is the optical system that captures images on the James Webb Space Telescope. Image: NASA<\/figcaption><\/figure>\n<\/p>\n<\/figure>\n<h2>But how was this done?<\/h2>\n<p>There are seven <a href=\"https:\/\/www.flickr.com\/photos\/nasawebbtelescope\/13291045605\/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">small motors<\/a> fixed behind each of the JWST\u2019s 18 slightly curved hexagonal mirrors. Their purpose is to move and reshape the curvature of each segment so that all 18 can act as a single large mirror.<\/p>\n<p>Six of these motors are grouped in pairs, equally distanced, and located around each mirror segment. These are used to move the mirror.<\/p>\n<p>The seventh motor is at the center and is connected to the mirror\u2019s six corners with struts. This motor can adjust the tension of the struts to optimize the curvature of that mirror segment.<\/p>\n<p>The motors can move the mirrors very precisely, to within about 1\/10,000th of the diameter of a human hair. This precision (to within a fraction of a wavelength of light) is important for obtaining high-quality images from the telescope.<\/p>\n<p><a href=\"https:\/\/thenextweb.com\/topic\/nasa\" target=\"_blank\" rel=\"noopener noreferrer\">NASA<\/a> scientists used a mathematical analysis called \u201c<a href=\"https:\/\/ui.adsabs.harvard.edu\/abs\/2006SPIE.6265E..11D\/abstract\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">phase retrieval<\/a>\u201d to study how the movement of each individual segment changed the sharpness of the final image.<\/p>\n<p>Once they had this information, there were two crucial tasks to complete before the segments could function as a single, monolithic mirror: coarse alignment and fine alignment.<\/p>\n<h2>Coarse and fine alignment<\/h2>\n<p>In coarse alignment, the mirror segments were moved vertically (up and down) until they aligned to form one giant mirror. However, there were still minute alignment errors that needed to be corrected to obtain the best possible image.<\/p>\n<p>This is where the fine alignment happens. In this process, rather than moving the mirror segments, the small optics inside NIRCam are moved instead.<\/p>\n<p>When the telescope is pointed at a star, the light from the star first hits the primary mirror, in which the individual segments are now aligned reasonably well.<\/p>\n<p>The light then continues its path through the secondary and tertiary mirrors inside the telescope and enters the NIRCam instrument. During the fine alignment, the optics inside NIRCam are very carefully adjusted until the star is completely in focus.<\/p>\n<figure class=\"align-center zoomable\" readability=\"6\">\n<p><figure class=\"post-image post-mediaBleed aligncenter\"><a href=\"https:\/\/images.theconversation.com\/files\/452690\/original\/file-20220317-8303-olr076.jpeg?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=1000&amp;fit=clip\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/images.theconversation.com\/files\/452690\/original\/file-20220317-8303-olr076.jpeg?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=754&amp;fit=clip\" sizes=\"(min-width: 1466px) 754px, (max-width: 599px) 100vw, (min-width: 600px) 600px, 237px\" alt width=\"600\" height=\"382\" class=\"js-lazy\" data-srcset=\"https:\/\/images.theconversation.com\/files\/452690\/original\/file-20220317-8303-olr076.jpeg?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=600&amp;h=382&amp;fit=crop&amp;dpr=1 600w, https:\/\/images.theconversation.com\/files\/452690\/original\/file-20220317-8303-olr076.jpeg?ixlib=rb-1.1.0&amp;q=30&amp;auto=format&amp;w=600&amp;h=382&amp;fit=crop&amp;dpr=2 1200w, https:\/\/images.theconversation.com\/files\/452690\/original\/file-20220317-8303-olr076.jpeg?ixlib=rb-1.1.0&amp;q=15&amp;auto=format&amp;w=600&amp;h=382&amp;fit=crop&amp;dpr=3 1800w, https:\/\/images.theconversation.com\/files\/452690\/original\/file-20220317-8303-olr076.jpeg?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=754&amp;h=480&amp;fit=crop&amp;dpr=1 754w, https:\/\/images.theconversation.com\/files\/452690\/original\/file-20220317-8303-olr076.jpeg?ixlib=rb-1.1.0&amp;q=30&amp;auto=format&amp;w=754&amp;h=480&amp;fit=crop&amp;dpr=2 1508w, https:\/\/images.theconversation.com\/files\/452690\/original\/file-20220317-8303-olr076.jpeg?ixlib=rb-1.1.0&amp;q=15&amp;auto=format&amp;w=754&amp;h=480&amp;fit=crop&amp;dpr=3 2262w\"><noscript><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/images.theconversation.com\/files\/452690\/original\/file-20220317-8303-olr076.jpeg?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=754&amp;fit=clip\" alt width=\"600\" height=\"382\" class srcset=\"https:\/\/images.theconversation.com\/files\/452690\/original\/file-20220317-8303-olr076.jpeg?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=600&amp;h=382&amp;fit=crop&amp;dpr=1 600w, https:\/\/images.theconversation.com\/files\/452690\/original\/file-20220317-8303-olr076.jpeg?ixlib=rb-1.1.0&amp;q=30&amp;auto=format&amp;w=600&amp;h=382&amp;fit=crop&amp;dpr=2 1200w, https:\/\/images.theconversation.com\/files\/452690\/original\/file-20220317-8303-olr076.jpeg?ixlib=rb-1.1.0&amp;q=15&amp;auto=format&amp;w=600&amp;h=382&amp;fit=crop&amp;dpr=3 1800w, https:\/\/images.theconversation.com\/files\/452690\/original\/file-20220317-8303-olr076.jpeg?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=754&amp;h=480&amp;fit=crop&amp;dpr=1 754w, https:\/\/images.theconversation.com\/files\/452690\/original\/file-20220317-8303-olr076.jpeg?ixlib=rb-1.1.0&amp;q=30&amp;auto=format&amp;w=754&amp;h=480&amp;fit=crop&amp;dpr=2 1508w, https:\/\/images.theconversation.com\/files\/452690\/original\/file-20220317-8303-olr076.jpeg?ixlib=rb-1.1.0&amp;q=15&amp;auto=format&amp;w=754&amp;h=480&amp;fit=crop&amp;dpr=3 2262w\"><\/noscript><\/a><figcaption><a href=\"https:\/\/thenextweb.com\/news\/james-webb-telescope-has-taken-an-amazing-first-image-of-star#\" data-url=\"https:\/\/twitter.com\/intent\/tweet?url=https%3A%2F%2Feditorial.thenextweb.com%2Fneural%2F2022%2F03%2F17%2Fjames-webb-telescope-has-taken-an-amazing-first-image-of-star%2F&amp;via=thenextweb&amp;related=thenextweb&amp;text=Check out this picture on: There are four different types of mirrors on the Webb telescope: primary mirror segments, the secondary mirror, tertiary mirror, and the fine steering mirror. Image: NASA\/Ball Aerospace\/Tinsley\" data-title=\"Share There are four different types of mirrors on the Webb telescope: primary mirror segments, the secondary mirror, tertiary mirror, and the fine steering mirror. Image: NASA\/Ball Aerospace\/Tinsley on Twitter\" data-width=\"685\" data-height=\"500\" class=\"post-image-share popitup\" title=\"Share There are four different types of mirrors on the Webb telescope: primary mirror segments, the secondary mirror, tertiary mirror, and the fine steering mirror. Image: NASA\/Ball Aerospace\/Tinsley on Twitter\"><i class=\"icon icon--inline icon--twitter--dark\"><\/i><\/a>There are four different types of mirrors on the Webb telescope: primary mirror segments, the secondary mirror, tertiary mirror, and the fine steering mirror. Image: NASA\/Ball Aerospace\/Tinsley<\/figcaption><\/figure>\n<\/p>\n<\/figure>\n<p>The coarse and fine alignment steps are both repeated until the sharpest image can be obtained. The image released by NASA this week shows how a star looks when these steps are completed.<\/p>\n<p>Prior to this, NASA released a \u201cstacked\u201d image (likely of the same star) back in February.<\/p>\n<p>For this, each of the individual mirror segments was fine-tuned to create <a href=\"https:\/\/blogs.nasa.gov\/webb\/wp-content\/uploads\/sites\/326\/2022\/02\/SegmentAlignment.gif\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">18 sharp images of the star<\/a>, but each from a slightly different vantage point. The 18 images were then stacked to produce the image below.<\/p>\n<figure class=\"align-center zoomable\" readability=\"3\">\n<p><figure class=\"post-image post-mediaBleed aligncenter\"><a href=\"https:\/\/images.theconversation.com\/files\/452402\/original\/file-20220316-15-1x1dxvw.jpeg?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=1000&amp;fit=clip\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/images.theconversation.com\/files\/452402\/original\/file-20220316-15-1x1dxvw.jpeg?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=754&amp;fit=clip\" sizes=\"(min-width: 1466px) 754px, (max-width: 599px) 100vw, (min-width: 600px) 600px, 237px\" alt=\"Stacked image of a star taken by the James Webb Space Telescope\" width=\"600\" height=\"600\" class=\"js-lazy\" data-srcset=\"https:\/\/images.theconversation.com\/files\/452402\/original\/file-20220316-15-1x1dxvw.jpeg?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=600&amp;h=600&amp;fit=crop&amp;dpr=1 600w, https:\/\/images.theconversation.com\/files\/452402\/original\/file-20220316-15-1x1dxvw.jpeg?ixlib=rb-1.1.0&amp;q=30&amp;auto=format&amp;w=600&amp;h=600&amp;fit=crop&amp;dpr=2 1200w, https:\/\/images.theconversation.com\/files\/452402\/original\/file-20220316-15-1x1dxvw.jpeg?ixlib=rb-1.1.0&amp;q=15&amp;auto=format&amp;w=600&amp;h=600&amp;fit=crop&amp;dpr=3 1800w, https:\/\/images.theconversation.com\/files\/452402\/original\/file-20220316-15-1x1dxvw.jpeg?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=754&amp;h=754&amp;fit=crop&amp;dpr=1 754w, https:\/\/images.theconversation.com\/files\/452402\/original\/file-20220316-15-1x1dxvw.jpeg?ixlib=rb-1.1.0&amp;q=30&amp;auto=format&amp;w=754&amp;h=754&amp;fit=crop&amp;dpr=2 1508w, https:\/\/images.theconversation.com\/files\/452402\/original\/file-20220316-15-1x1dxvw.jpeg?ixlib=rb-1.1.0&amp;q=15&amp;auto=format&amp;w=754&amp;h=754&amp;fit=crop&amp;dpr=3 2262w\"><noscript><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/images.theconversation.com\/files\/452402\/original\/file-20220316-15-1x1dxvw.jpeg?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=754&amp;fit=clip\" alt=\"Stacked image of a star taken by the James Webb Space Telescope\" width=\"600\" height=\"600\" class srcset=\"https:\/\/images.theconversation.com\/files\/452402\/original\/file-20220316-15-1x1dxvw.jpeg?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=600&amp;h=600&amp;fit=crop&amp;dpr=1 600w, https:\/\/images.theconversation.com\/files\/452402\/original\/file-20220316-15-1x1dxvw.jpeg?ixlib=rb-1.1.0&amp;q=30&amp;auto=format&amp;w=600&amp;h=600&amp;fit=crop&amp;dpr=2 1200w, https:\/\/images.theconversation.com\/files\/452402\/original\/file-20220316-15-1x1dxvw.jpeg?ixlib=rb-1.1.0&amp;q=15&amp;auto=format&amp;w=600&amp;h=600&amp;fit=crop&amp;dpr=3 1800w, https:\/\/images.theconversation.com\/files\/452402\/original\/file-20220316-15-1x1dxvw.jpeg?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=754&amp;h=754&amp;fit=crop&amp;dpr=1 754w, https:\/\/images.theconversation.com\/files\/452402\/original\/file-20220316-15-1x1dxvw.jpeg?ixlib=rb-1.1.0&amp;q=30&amp;auto=format&amp;w=754&amp;h=754&amp;fit=crop&amp;dpr=2 1508w, https:\/\/images.theconversation.com\/files\/452402\/original\/file-20220316-15-1x1dxvw.jpeg?ixlib=rb-1.1.0&amp;q=15&amp;auto=format&amp;w=754&amp;h=754&amp;fit=crop&amp;dpr=3 2262w\"><\/noscript><\/a><figcaption><a href=\"https:\/\/thenextweb.com\/news\/james-webb-telescope-has-taken-an-amazing-first-image-of-star#\" data-url=\"https:\/\/twitter.com\/intent\/tweet?url=https%3A%2F%2Feditorial.thenextweb.com%2Fneural%2F2022%2F03%2F17%2Fjames-webb-telescope-has-taken-an-amazing-first-image-of-star%2F&amp;via=thenextweb&amp;related=thenextweb&amp;text=Check out this picture on: NASA scientists stacked the 18 individual images captured by the primary mirror segments to create a stacked image. Image: NASA\" data-title=\"Share NASA scientists stacked the 18 individual images captured by the primary mirror segments to create a stacked image. Image: NASA on Twitter\" data-width=\"685\" data-height=\"500\" class=\"post-image-share popitup\" title=\"Share NASA scientists stacked the 18 individual images captured by the primary mirror segments to create a stacked image. Image: NASA on Twitter\"><i class=\"icon icon--inline icon--twitter--dark\"><\/i><\/a>NASA scientists stacked the 18 individual images captured by the primary mirror segments to create a stacked image. Image: NASA<\/figcaption><\/figure><figcaption><\/figcaption><\/p>\n<\/figure>\n<h2>The next steps<\/h2>\n<p>While the successful testing of the NIRCam is a breakthrough for the JWST, there are many more steps to be completed before it can fulfill its potential.<\/p>\n<p>Next, NASA will look at how the other instruments perform with images of stars, and do further fine-tuning to the optics in those instruments. After this, the instrument commissioning phase will start. Apart from NIRCam, there are three other instruments on board the JWST: <a href=\"https:\/\/jwst-docs.stsci.edu\/jwst-near-infrared-spectrograph\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">NIRSpec<\/a>, <a href=\"https:\/\/jwst-docs.stsci.edu\/jwst-near-infrared-imager-and-slitless-spectrograph\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">NIRISS<\/a>, and <a href=\"https:\/\/jwst-docs.stsci.edu\/jwst-mid-infrared-instrument\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">MIRI<\/a>.<\/p>\n<p>While NIRCam will primarily provide images of the Universe over the near-infrared part of the electromagnetic spectrum, NIRSpec can split that light to study different signatures (variations in the properties of the incoming light).<\/p>\n<p>NIRISS will provide similar functionality to NIRCam, while MIRI will look at the Universe at much higher wavelengths (reaching the mid-infrared range).<\/p>\n<p>All the instruments will be brought to their working temperatures and tested. Some initial steps have already begun and all indications so far are good. Many of the steps also have redundancies built into them, which means if a system should fail, there will be another way to achieve the same objective.<\/p>\n<p>You can keep up to date with the JWST\u2019s activities <a href=\"https:\/\/www.jwst.nasa.gov\/content\/webbLaunch\/whereIsWebb.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">online<\/a>.<!-- Below is The Conversation's page counter tag. Please DO NOT REMOVE. --><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/counter.theconversation.com\/content\/178315\/count.gif?distributor=republish-lightbox-basic\" alt=\"The Conversation\" width=\"1\" height=\"1\" class=\"js-lazy\"><!-- End of code. If you don't see any code above, please get new code from the Advanced tab after you click the republish button. The page counter does not collect any personal data. More info: https:\/\/theconversation.com\/republishing-guidelines --><\/p>\n<p><noscript><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/counter.theconversation.com\/content\/178315\/count.gif?distributor=republish-lightbox-basic\" alt=\"The Conversation\" width=\"1\" height=\"1\" class><\/noscript><\/p>\n<p><em>This article by <a href=\"https:\/\/theconversation.com\/profiles\/themiya-nanayakkara-1324058\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Themiya Nanayakkara<\/a>, Chief Astronomer at the James Webb Australian Data Centre, <a href=\"https:\/\/theconversation.com\/institutions\/swinburne-university-of-technology-767\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Swinburne University of Technology<\/a>, is republished from <a href=\"https:\/\/theconversation.com\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">The Conversation<\/a> under a Creative Commons license. Read the <a href=\"https:\/\/theconversation.com\/the-james-webb-space-telescope-has-taken-its-first-aligned-image-of-a-star-heres-how-it-was-done-178315\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">original article<\/a>.<\/em><\/p>\n<p> <a href=\"https:\/\/thenextweb.com\/news\/james-webb-telescope-has-taken-an-amazing-first-image-of-star\">Source<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In a huge milestone, the James Webb Space Telescope (JWST) has finally been aligned to produce the first unified image of a single star. Most traditional telescopes these days (like the one&#8230;<\/p>\n","protected":false},"author":1,"featured_media":10610,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=\/wp\/v2\/posts\/10609"}],"collection":[{"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10609"}],"version-history":[{"count":0,"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=\/wp\/v2\/posts\/10609\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=\/wp\/v2\/media\/10610"}],"wp:attachment":[{"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10609"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10609"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}