{"id":57879,"date":"2024-04-30T08:01:14","date_gmt":"2024-04-30T08:01:14","guid":{"rendered":"http:\/\/55904779-d30e-4da9-953b-5d24f2d4b054"},"modified":"2024-04-30T08:08:28","modified_gmt":"2024-04-30T08:08:28","slug":"chandra-x-ray-observatory-captures-20-year-timelapse-videos-showing-evolution-of-stellar-explosions","status":"publish","type":"rss_feed","link":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/rss_feed\/chandra-x-ray-observatory-captures-20-year-timelapse-videos-showing-evolution-of-stellar-explosions\/","title":{"rendered":"Chandra X-ray Observatory captures 20-year timelapse videos showing evolution of stellar explosions"},"content":{"rendered":"<p class=\"rssexcerpt\">New videos show the evolution of the Crab Nebula and Cassiopeia A. <\/p><p class=\"rssauthor\">By Iain Todd\n      <\/p><p class=\"rssbyline\">Published: Tuesday, 30 April 2024 at 08:01 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>NASA&#8217;s Chandra X-Ray Observatory has released two new timelapse movies showing dramatic changes in two of the most famous supernova remnants in the Universe: the Crab Nebula and Cassiopeia A.<\/p><p>The <a href=\"https:\/\/www.skyatnightmagazine.com\/space-science\/when-stars-collapse-what-is-a-supernova\">supernova<\/a> movies were both created using x-ray data captured by Chandra over a span of two decades.<\/p><figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\"><iframe loading=\"lazy\" title=\"Tour: NASA's Chandra Releases Doubleheader of Blockbuster Hits\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/_RdmM351cZM?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen=\"\"\/><\/div><\/figure><p>The <a href=\"https:\/\/www.skyatnightmagazine.com\/astrophotography\/nebulae\/crab-nebula\">Crab Nebula<\/a> and Cassiopeia A are among the most famous examples of a type of object known as a supernova remnant.<\/p><p>They are all that remain of two massive stars that exploded, leaving an ethereal cloud of cosmic gas and dust in their wake.<\/p><h2 class=\"wp-block-heading\" id=\"h-crab-nebula\"><strong>Crab Nebula<\/strong><\/h2><figure class=\"wp-block-image size-full\"><figcaption class=\"wp-element-caption\">Still from a timelapse movie of supernova remnant the Crab Nebula captured by the Chandra X-ray Observatory. Credit: X-ray: NASA\/CXC\/SAO; Optical: NASA\/STScI; Image Processing: NASA\/CXC\/SAO\/J. Major, A. Jubett, K. Arcand<\/figcaption><\/figure><p>The first of the two Chandra X-Ray Observatory timelapse movies shows changes in the Crab Nebula.<\/p><p>The supernova that would eventually form the Crab Nebula was recorded by Chinese astronomers in 1054 as a bright new point of light in the sky,<\/p><p>The Crab Nebula is 6,500 lightyears from Earth and at its centre lurks a dense stellar remnant known as a neutron star.<\/p><p>This <a href=\"https:\/\/www.skyatnightmagazine.com\/space-science\/neutron-star\">neutron star<\/a> is a type that&#8217;s known as a <a href=\"https:\/\/www.skyatnightmagazine.com\/space-science\/what-is-a-pulsar-a-complete-guide-to-spinning-neutron-stars\">pulsar<\/a>, a spinning star that rotates about 30 times a second, sending a beam of radiation in the direction of Earth in the same way a lighthouse appears to flash at regular intervals.<\/p><p>The pulsar is sending out large amounts of energy into its surroundings.<\/p><p>A strong, rapid flow of matter and anti-matter particles are smashing into the surrounding nebula, producing a shockwave that can be seen as a ring formation in the Chandra timelapse.<\/p><p>The timelapse covers a period of 22 years of Chandra observations and shows changes in both the ring formation and the jets.<\/p><h2 class=\"wp-block-heading\" id=\"h-cassiopeia-a\"><strong>Cassiopeia A<\/strong><\/h2><figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/c02.purpledshub.com\/uploads\/sites\/48\/2024\/04\/cassiopeia-a-chandra-x-ray-observatory-1024x781.jpeg?fit=800%2C610\" alt=\"Still from a timelapse movie of supernova remnant Cassiopeia A captured by the Chandra X-ray Observatory. Credit: X-ray: NASA\/CXC\/SAO; Optical: NASA\/STScI; Image Processing: NASA\/CXC\/SAO\/J. Major, A. Jubett, K. Arcand\" class=\"wp-image-154495\" data-recalc-dims=\"1\"\/><figcaption class=\"wp-element-caption\">Still from a timelapse movie of supernova remnant Cassiopeia A captured by the Chandra X-ray Observatory. Credit: X-ray: NASA\/CXC\/SAO; Optical: NASA\/STScI; Image Processing: NASA\/CXC\/SAO\/J. Major, A. Jubett, K. Arcand<\/figcaption><\/figure><p>Cassiopeia A is all that&#8217;s left of a supernova that occured about 340 years ago, and this new Chandra timelapse uses observations of Cas A spanning from 2000 to 2019.<\/p><p>Cassiopeia A is an expanding stellar explosion made up of shockwaves, where particles are being accelerated to energies higher even than those seen on Earth in the Large Hadron Collider.<\/p><p>These shockwaves slam into surrounding cosmic material and slow down, generating a second shockwave that reflects backwards towards the source.<\/p><p>Chandra data had previously revealed that Cas A also has a neutron star at its centre, and the observatory has been able to map elements forged inside the star.<\/p><p>The images in the Cas A movie were created and processed by a team led by Yusuke from Rikkyo University in Japan.<\/p><p><a href=\"https:\/\/chandra.harvard.edu\/photo\/2024\/timelapse\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>chandra.harvard.edu<\/strong><\/a><\/p> <\/body><\/html>\n<hr class=\"no-tts wp-block-separator\"\/>","protected":false},"excerpt":{"rendered":"<p>New videos show the evolution of the Crab Nebula and Cassiopeia A. <\/p>\n","protected":false},"author":24,"featured_media":57880,"template":"","categories":[1],"acf":{"readingTimeMinutes":"3"},"uagb_featured_image_src":{"full":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/04\/chandra-x-ray-observatory-captures-20-year-timelapse-videos-showing-evolution-of-stellar-explosions.jpg",1200,928,false],"thumbnail":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/04\/chandra-x-ray-observatory-captures-20-year-timelapse-videos-showing-evolution-of-stellar-explosions-150x150.jpg",150,150,true],"medium":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/04\/chandra-x-ray-observatory-captures-20-year-timelapse-videos-showing-evolution-of-stellar-explosions-300x232.jpg",300,232,true],"medium_large":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/04\/chandra-x-ray-observatory-captures-20-year-timelapse-videos-showing-evolution-of-stellar-explosions-768x594.jpg",768,594,true],"large":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/04\/chandra-x-ray-observatory-captures-20-year-timelapse-videos-showing-evolution-of-stellar-explosions-1024x792.jpg",800,619,true],"1536x1536":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/04\/chandra-x-ray-observatory-captures-20-year-timelapse-videos-showing-evolution-of-stellar-explosions.jpg",1200,928,false],"2048x2048":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/04\/chandra-x-ray-observatory-captures-20-year-timelapse-videos-showing-evolution-of-stellar-explosions.jpg",1200,928,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":"New videos show the evolution of the Crab Nebula and Cassiopeia A.","_links":{"self":[{"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/rss_feed\/57879"}],"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\/57880"}],"wp:attachment":[{"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/media?parent=57879"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/categories?post=57879"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}