{"id":36932,"date":"2022-09-29T13:00:40","date_gmt":"2022-09-29T13:00:40","guid":{"rendered":"https:\/\/www.skyatnightmagazine.com\/?p=112351"},"modified":"2022-09-29T13:17:10","modified_gmt":"2022-09-29T13:17:10","slug":"webb-and-hubble-capture-moment-dart-spacecraft-crashes-into-its-asteroid-target","status":"publish","type":"rss_feed","link":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/rss_feed\/webb-and-hubble-capture-moment-dart-spacecraft-crashes-into-its-asteroid-target\/","title":{"rendered":"Webb and Hubble capture moment DART spacecraft crashes into its asteroid target"},"content":{"rendered":"<p class=\"rssexcerpt\"><\/p><p class=\"rssauthor\">By Iain Todd\n                \t\t<\/p><p class=\"rssbyline\">Published: Thursday, 29 September 2022 at 12:00 am<\/p><hr class=\"no-tts wp-block-separator\"\/><?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>\n<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.0 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/REC-html40\/loose.dtd\">\n<html><body><p>Both the James Webb Space Telescope and the Hubble Space Telescope captured incredible images showing the moment <a href=\"&quot;https:\/\/www.skyatnightmagazine.com\/space-missions\/nasa-dart-mission\/&quot;\">NASA\u2019s DART mission<\/a> crashed into its asteroid target.<\/p>\n<p>The images have just been released by NASA and ESA, and show a fascinating perspective of the aftermath of the first successful asteroid deflection test in human history.<\/p>\n<div class=\"&quot;image-handler__container\" image-handler__container--full=\"\" style=\"&quot;padding-bottom:\" calc=\"\"> <picture><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-impact-james-webb-ec10ce0-e1664453870706.jpeg?webp=true&amp;quality=90&amp;resize=300%2C224,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-impact-james-webb-ec10ce0-e1664453870706.jpeg?quality=90&amp;resize=300%2C224,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-impact-james-webb-ec10ce0-e1664453870706.jpeg?webp=true&amp;quality=90&amp;resize=355%2C265,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-impact-james-webb-ec10ce0-e1664453870706.jpeg?quality=90&amp;resize=355%2C265,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-impact-james-webb-ec10ce0-e1664453870706.jpeg?webp=true&amp;quality=90&amp;resize=405%2C302,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-impact-james-webb-ec10ce0-e1664453870706.jpeg?quality=90&amp;resize=405%2C302,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-impact-james-webb-ec10ce0-e1664453870706.jpeg?webp=true&amp;quality=90&amp;resize=554%2C414,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-impact-james-webb-ec10ce0-e1664453870706.jpeg?quality=90&amp;resize=554%2C414,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-impact-james-webb-ec10ce0-e1664453870706.jpeg?webp=true&amp;quality=90&amp;resize=620%2C463,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-impact-james-webb-ec10ce0-e1664453870706.jpeg?quality=90&amp;resize=620%2C463,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-impact-james-webb-ec10ce0-e1664453870706.jpeg?webp=true&amp;quality=90&amp;resize=408%2C305,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-impact-james-webb-ec10ce0-e1664453870706.jpeg?quality=90&amp;resize=408%2C305,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-impact-james-webb-ec10ce0-e1664453870706.jpeg?webp=true&amp;quality=90&amp;resize=556%2C415,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-impact-james-webb-ec10ce0-e1664453870706.jpeg?quality=90&amp;resize=556%2C415,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><img class=\"&quot;wp-image-112353\" align=\"\" size-full=\"\" image-handler__image=\"\" image-handler__image--full=\"\" no-wrap=\"\" js-lazyload=\"\" data-src=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-impact-james-webb-ec10ce0-e1664453870706.jpeg?quality=90&amp;resize=620%2C463&quot;\" width=\"&quot;1280&quot;\" height=\"&quot;956&quot;\" alt=\"&quot;&quot;\" title=\"&quot;&quot;\"\/><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/picture><\/div><div class=\"&quot;caption-hold&quot;\"><figcaption class=\"&quot;wp-caption-text&quot;\"><span class=\"&quot;caption-copy&quot;\"><i class=\"&quot;icon-arrow\" icon-camera-circle=\"\"\/> A view of the effects of the DART spacecraft\u2019s impact into asteroid moonlet Dimorphus, as seen by the James Web Space Telescope\u2019s NIRCam instrument. Credit: NASA, ESA, CSA, and STScI<\/span><\/figcaption><span class=\"&quot;im-image-caption&quot;\"\/><\/div>\n<p>ON 26 September 2022 at 23:14 UTC, NASA\u2019s <a href=\"&quot;https:\/\/www.skyatnightmagazine.com\/news\/nasa-dart-mission-successfully-impacts-asteroid\/&quot;\">Double Asteroid Redirection Test (DART) intentionally impacted into Dimorphos<\/a>, a small asteroid moonlet orbiting much larger asteroid Didymos.<\/p>\n<p>The mission is part of a strategy to see whether a potentially dangerous <a href=\"&quot;https:\/\/www.skyatnightmagazine.com\/space-science\/asteroids\/&quot;\">asteroid<\/a> or <a href=\"&quot;https:\/\/www.skyatnightmagazine.com\/space-science\/a-guide-to-comets\/&quot;\">comet<\/a> heading for Earth could be deflected in such a way, in future.<\/p>\n<p>The final stages of the <a href=\"&quot;https:\/\/www.skyatnightmagazine.com\/news\/watch-nasa-dart-spacecraft-asteroid-impact-live\/&quot;\">DART mission were live streamed online<\/a>, so everyone around the world could follow the spacecraft\u2019s approach to and impact with Dimorphus.<\/p>\n<p>Both the <a href=\"&quot;https:\/\/www.skyatnightmagazine.com\/space-missions\/nasa-james-webb-space-telescope-observe-universe\/&quot;\">James Webb Space Telescope<\/a> and <a href=\"&quot;https:\/\/www.skyatnightmagazine.com\/space-science\/hubble-space-telescope-facts-history\/&quot;\">Hubble Space Telescope<\/a> observed the before and after effects of the impact, giving the intentional crash a new perspective and providing astronomers with vital scientific data.<\/p>\n<h2><strong>Webb\u2019s DART mission observations<\/strong><\/h2>\n<iframe title=\"&quot;Webb\" captures=\"\" dart=\"\" impact=\"\" width=\"&quot;200&quot;\" height=\"&quot;150&quot;\" src=\"&quot;https:\/\/www.youtube.com\/embed\/jHMd_aZyNDI?feature=oembed&quot;\" frameborder=\"&quot;0&quot;\" allow=\"&quot;accelerometer;\" autoplay=\"\" clipboard-write=\"\" encrypted-media=\"\" gyroscope=\"\" picture-in-picture=\"\" allowfullscreen=\"\"\/>\n<p>The James Webb Space Telescope observed the site of DART\u2019s impact before the collision occurred, then continued to observe the after effects over the subsequent few hours.<\/p>\n<p>In images and a video captured by Webb\u2019s Near-Infrared Camera (NIRCam), there can clearly be seen a bright core, with wisps and plumes of ejected material speeding away from the point of contact.<\/p>\n<p>The 8 separate points are actually 8 <a href=\"&quot;https:\/\/www.skyatnightmagazine.com\/advice\/what-are-diffraction-spikes\/&quot;\">diffraction spikes<\/a> caused by the structure of the Webb Telescope\u2019s mirror.<\/p>\n<p>The Webb team had spent weeks in the run-up to DART\u2019s impact studying how to track an asteroid moving through the sky at a rate 3 times faster than the space telescope\u2019s original speed limit.<\/p>\n<p>Webb\u2019s Mid-Inrared Instrument (MIRI) and Near-Infrared Spectrograph (NIRSpec) will continue to track the asteroid over the coming months.<\/p>\n<h2><strong>Hubble\u2019s DART mission observations<\/strong><\/h2>\n<iframe title=\"&quot;Hubble\" captures=\"\" dart=\"\" impact=\"\" width=\"&quot;200&quot;\" height=\"&quot;150&quot;\" src=\"&quot;https:\/\/www.youtube.com\/embed\/X-Ncnq-WCL8?feature=oembed&quot;\" frameborder=\"&quot;0&quot;\" allow=\"&quot;accelerometer;\" autoplay=\"\" clipboard-write=\"\" encrypted-media=\"\" gyroscope=\"\" picture-in-picture=\"\" allowfullscreen=\"\"\/>\n<p>The Hubble Space Telescope also observed and imaged Dimorphus before and after DART\u2019s collision with the asteroid moonlet, and observed again just 15 minutes after the impact had occurred.<\/p>\n<p>While Webb\u2019s observations were carried out in infrared, Hubble\u2019s observations were made in optical light.<\/p>\n<p>In the Hubble image and video, we can see rays emanating from a bright centre point. This is material being ejected into space as a result of the impact.<\/p>\n<p>The fan-like ejecta to the left of the bright point is where DART impacted with Dimorphus.<\/p>\n<p>Mission scientists have noted that some of the rays in the Hubble images appear curved, but say more analysis will have to be carried out to determine what this means.<\/p>\n<div class=\"&quot;image-handler__container\" image-handler__container--full=\"\" style=\"&quot;padding-bottom:\" calc=\"\"> <picture><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-mission-hubble-sequence-aae4cf1.jpg?webp=true&amp;quality=90&amp;resize=300%2C100,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-mission-hubble-sequence-aae4cf1.jpg?quality=90&amp;resize=300%2C100,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-mission-hubble-sequence-aae4cf1.jpg?webp=true&amp;quality=90&amp;resize=355%2C118,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-mission-hubble-sequence-aae4cf1.jpg?quality=90&amp;resize=355%2C118,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-mission-hubble-sequence-aae4cf1.jpg?webp=true&amp;quality=90&amp;resize=405%2C135,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-mission-hubble-sequence-aae4cf1.jpg?quality=90&amp;resize=405%2C135,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-mission-hubble-sequence-aae4cf1.jpg?webp=true&amp;quality=90&amp;resize=554%2C185,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-mission-hubble-sequence-aae4cf1.jpg?quality=90&amp;resize=554%2C185,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-mission-hubble-sequence-aae4cf1.jpg?webp=true&amp;quality=90&amp;resize=620%2C207,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-mission-hubble-sequence-aae4cf1.jpg?quality=90&amp;resize=620%2C207,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-mission-hubble-sequence-aae4cf1.jpg?webp=true&amp;quality=90&amp;resize=408%2C136,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-mission-hubble-sequence-aae4cf1.jpg?quality=90&amp;resize=408%2C136,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-mission-hubble-sequence-aae4cf1.jpg?webp=true&amp;quality=90&amp;resize=556%2C185,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-mission-hubble-sequence-aae4cf1.jpg?quality=90&amp;resize=556%2C185,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><img class=\"&quot;wp-image-112355\" align=\"\" size-full=\"\" image-handler__image=\"\" image-handler__image--full=\"\" no-wrap=\"\" js-lazyload=\"\" data-src=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/25\/2022\/09\/nasa-dart-mission-hubble-sequence-aae4cf1.jpg?quality=90&amp;resize=620%2C207&quot;\" width=\"&quot;1280&quot;\" height=\"&quot;427&quot;\" alt=\"&quot;&quot;\" title=\"&quot;&quot;\"\/><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/picture><\/div><div class=\"&quot;caption-hold&quot;\"><figcaption class=\"&quot;wp-caption-text&quot;\"><span class=\"&quot;caption-copy&quot;\"><i class=\"&quot;icon-arrow\" icon-camera-circle=\"\"\/> A series of images showing the effect of the DART spacecraft\u2019s impact into asteroid moonlet Dimorphus, as seen by the Hubble Space Telescope. The images were taken 22 minutes, 5 hours and 8.2 hours after impact. Credit: NASA, ESA, and STScI<\/span><\/figcaption><span class=\"&quot;im-image-caption&quot;\"\/><\/div>\n<p>Another mystery has unfolded in the shape of a brightening of asteroid Didymos by as much as 3 times following the impact, a brightness that remained steady even 8 hours after.<\/p>\n<p>Hubble will continue to monitor the asteroid moonlet over the next 3 weeks, in order to get a broader perspective on the movement of the ejected material following the impact.<\/p>\n<p>Observations of the asteroid system will also be carried out by ground-based observatories, as astronomers begin to analyse the effect of DART\u2019s impact on Dimorphus and Didymos.<\/p>\n<p>And in October 2024, the European Space Agency\u2019s Hera mission will launch, to perform further post-impact studies of the asteroid and moonlet.<\/p>\n<p><a href=\"\/\/dart.jhuapl.edu&quot;\" target=\"&quot;_blank&quot;\" rel=\"&quot;noopener&quot; noopener noreferrer\"><strong>dart.jhuapl.edu<\/strong><\/a><\/p><\/body><\/html>\n<hr class=\"no-tts wp-block-separator\"\/>","protected":false},"excerpt":{"rendered":"<p>By Iain Todd Published: Thursday, 29 September 2022 at 12:00 am Both the James Webb Space Telescope and the Hubble Space Telescope captured incredible images showing the moment NASA\u2019s DART mission crashed into its asteroid target. The images have just been released by NASA and ESA, and show a fascinating perspective of the aftermath of [&hellip;]<\/p>\n","protected":false},"author":24,"featured_media":36933,"template":"","categories":[1],"acf":{"readingTimeMinutes":"3"},"uagb_featured_image_src":{"full":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2022\/09\/webb-and-hubble-capture-moment-dart-spacecraft-crashes-into-its-asteroid-target.jpg",1200,800,false],"thumbnail":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2022\/09\/webb-and-hubble-capture-moment-dart-spacecraft-crashes-into-its-asteroid-target-150x150.jpg",150,150,true],"medium":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2022\/09\/webb-and-hubble-capture-moment-dart-spacecraft-crashes-into-its-asteroid-target-300x200.jpg",300,200,true],"medium_large":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2022\/09\/webb-and-hubble-capture-moment-dart-spacecraft-crashes-into-its-asteroid-target-768x512.jpg",768,512,true],"large":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2022\/09\/webb-and-hubble-capture-moment-dart-spacecraft-crashes-into-its-asteroid-target-1024x683.jpg",800,534,true],"1536x1536":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2022\/09\/webb-and-hubble-capture-moment-dart-spacecraft-crashes-into-its-asteroid-target.jpg",1200,800,false],"2048x2048":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2022\/09\/webb-and-hubble-capture-moment-dart-spacecraft-crashes-into-its-asteroid-target.jpg",1200,800,false]},"uagb_author_info":{"display_name":"importmanagerhub@sprylab.com","author_link":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/author\/importmanagerhubsprylab-com\/"},"uagb_comment_info":0,"uagb_excerpt":"By Iain Todd Published: Thursday, 29 September 2022 at 12:00 am Both the James Webb Space Telescope and the Hubble Space Telescope captured incredible images showing the moment NASA\u2019s DART mission crashed into its asteroid target. The images have just been released by NASA and ESA, and show a fascinating perspective of the aftermath of&hellip;","_links":{"self":[{"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/rss_feed\/36932"}],"collection":[{"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/rss_feed"}],"about":[{"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/types\/rss_feed"}],"author":[{"embeddable":true,"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/users\/24"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/media\/36933"}],"wp:attachment":[{"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/media?parent=36932"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/categories?post=36932"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}