{"id":66075,"date":"2024-11-25T11:55:30","date_gmt":"2024-11-25T11:55:30","guid":{"rendered":"http:\/\/9f1c48bb-3b50-4f7a-af67-16309884efe2"},"modified":"2024-11-25T12:39:38","modified_gmt":"2024-11-25T12:39:38","slug":"astronomers-have-captured-the-first-ever-close-up-image-of-a-star-beyond-our-galaxy","status":"publish","type":"rss_feed","link":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/rss_feed\/astronomers-have-captured-the-first-ever-close-up-image-of-a-star-beyond-our-galaxy\/","title":{"rendered":"Astronomers have captured the first ever close-up image of a star beyond our Galaxy"},"content":{"rendered":"<p class=\"rssexcerpt\"> <\/p><p class=\"rssauthor\">By Iain Todd\n      <\/p><p class=\"rssbyline\">Published: Monday, 25 November 2024 at 11:55 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> <head\/> <body> <p>Astronomers have, for the first time ever, captured a close-up image of a star beyond our home Galaxy.<\/p> <p>The star, known as WOH G64, is located 160,000 lightyears away in the Large Magellanic Cloud, a small satellite galaxy of our own Milky Way.<\/p> <p>Zoomed-in images of stars within our Galaxy have been captured before, but this marks the first ever detailed image of a star in a different galaxy.<\/p> <p>Astronomers have known about WOH G64 for decades, and it&#8217;s referred to as the \u2018behemoth star\u2019.<\/p> <p>It&#8217;s about 2,000 times the mass of our Sun and is a type of star known as a red supergiant.<\/p> <figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube\"> <div class=\"wp-block-embed__wrapper\"> <iframe loading=\"lazy\" title=\"First zoomed-in picture of an extragalactic star | ESO News\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/XYdXe6oexNk?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> <h2 class=\"wp-block-heading\"><strong>One galaxy of many<\/strong><\/h2> <p>It&#8217;s only relatively recently that astronomers confirmed our Milky Way galaxy was just one of many throughout the Universe.<\/p> <p>In the early 20th century, <a href=\"https:\/\/www.skyatnightmagazine.com\/space-science\/edwin-hubble\">Edwin Hubble<\/a> was able to confirm that an observed star was located beyond the domain of our home Galaxy.<\/p> <p>And just like <a href=\"https:\/\/www.skyatnightmagazine.com\/space-science\/nicolaus-copernicus\" target=\"_blank\" rel=\"noreferrer noopener\">Nicholas Copernicus<\/a>&#8216;s revelation that our planet was just one among many orbiting the Sun, Hubble&#8217;s discovery ultimately changed our view of the Universe.<\/p> <p>Studying distant galaxies &#8211; and stars within those distant galaxies &#8211; is a key part of understanding the cosmos around us.<\/p> <figure class=\"wp-block-image size-full has-lightbox\">  <figcaption class=\"wp-element-caption\"> Image of star WOH G64 captured by the GRAVITY instrument on ESO&#8217;s Very Large Telescope Interferometer. This is the first close-up picture of a star outside our own galaxy. It&#8217;s located in the Large Magellanic Cloud, over 160,000 lightyears away. Credit: ESO\/K. Ohnaka et al. <\/figcaption> <\/figure> <h2 class=\"wp-block-heading\"><strong>Discovering WOH G64<\/strong><\/h2> <p>&#8220;For the first time, we have succeeded in taking a zoomed-in image of a dying star in a galaxy outside our own Milky Way,&#8221; says Keiichi Ohnaka, an astrophysicist from Universidad Andr\u00e9s Bello in Chile.<\/p> <p>WOH G64 was imaged using the European Southern Observatory\u2019s Very Large Telescope Interferometer (ESO\u2019s VLTI).<\/p> <p>The observations reveal that the star is in the final stages of its life, expanding outwards in a shell of gas and dust just before it explodes as a <a href=\"https:\/\/www.skyatnightmagazine.com\/space-science\/when-stars-collapse-what-is-a-supernova\">supernova<\/a>.<\/p> <p>&#8220;We discovered an egg-shaped cocoon closely surrounding the star,&#8221; says Ohnaka, lead author of the study published in Astronomy &amp; Astrophysics.<\/p> <p>&#8220;We are excited because this may be related to the drastic ejection of material from the dying star before a supernova explosion.&#8221;<\/p> <figure class=\"wp-block-image size-full has-lightbox\"> <img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"777\" src=\"https:\/\/c02.purpledshub.com\/uploads\/sites\/48\/2024\/11\/WOH-G64-location.jpg\" alt=\"Photograph showing the location of star WOH G64, located in the Large Magellanice Cloud. Credit: ESO\/K. Ohnaka et al.\/Y. Beletsky (LCO)\" class=\"wp-image-164839\"\/> <figcaption class=\"wp-element-caption\"> Photograph showing the location of star WOH G64, located in the Large Magellanic Cloud. Credit: ESO\/K. Ohnaka et al.\/Y. Beletsky (LCO) <\/figcaption> <\/figure> <p>Ohnaka and the team first observed WOH G64 back in 2005 and 2007 using ESO\u2019s VLTI in Chile\u2019s Atacama Desert.<\/p> <p>But it was the development of the VLTI\u2019s GRAVITY instrument that has made this new image possible.<\/p> <p>The observations reveal that the star has become dimmer over the past decade.<\/p> <p>&#8220;The star has been experiencing a significant change in the last 10 years, providing us with a rare opportunity to witness a star\u2019s life in real time,&#8221; says Gerd Weigelt, astronomy professor at the Max Planck Institute for Radio Astronomy in Bonn, Germany and a co-author of the study.<\/p> <figure class=\"wp-block-image size-full has-lightbox\"> <img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"650\" src=\"https:\/\/c02.purpledshub.com\/uploads\/sites\/48\/2024\/11\/WOH-G64-social.jpg\" alt=\"Artist's impression of star WOH G64, located in the Large Magellanic Cloud, over 160,000 lightyears away. Credit: ESO\/K. Ohnaka et al.\" class=\"wp-image-164840\"\/> <figcaption class=\"wp-element-caption\"> Artist&#8217;s impression of star WOH G64, located in the Large Magellanic Cloud, over 160,000 lightyears away. Credit: ESO\/K. Ohnaka et al. <\/figcaption> <\/figure> <h2 class=\"wp-block-heading\"><strong>A star at the end of its life<\/strong><\/h2> <p>Red supergiants like WOH G64 are stars going through the final stages of their life, shedding their outer layers of gas and dust.<\/p> <p>&#8220;This star is one of the most extreme of its kind, and any drastic change may bring it closer to an explosive end,&#8221; says co-author Jacco van Loon, Keele Observatory Director at Keele University, UK, who has been observing WOH G64 since the 1990s.<\/p> <p>This shedding of material may be the reason why the star is appearing to dim, and also could explain the strange shape of the dusty cocoon surrounding it.<\/p> <p>The image captured by the astronomers shows the cocoon is stretched-out, which could be explained by the shedding or may suggest a companion star that&#8217;s not been seen yet.<\/p> <p>&#8220;Similar follow-up observations with ESO instruments will be important for understanding what is going on in the star,&#8221; says Ohnaka.<\/p> <p><strong><a href=\"https:\/\/www.eso.org\/public\/archives\/releases\/sciencepapers\/eso2417\/eso2417a.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Read the full paper (PDF)<\/a><\/strong><\/p> <p><a href=\"https:\/\/www.eso.org\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>www.eso.org<\/strong><\/a><\/p> <\/body><\/html>\n<hr class=\"no-tts wp-block-separator\"\/>","protected":false},"excerpt":{"rendered":"<p>By Iain Todd Published: Monday, 25 November 2024 at 11:55 AM Astronomers have, for the first time ever, captured a close-up image of a star beyond our home Galaxy. The star, known as WOH G64, is located 160,000 lightyears away in the Large Magellanic Cloud, a small satellite galaxy of our own Milky Way. Zoomed-in [&hellip;]<\/p>\n","protected":false},"author":24,"featured_media":66076,"template":"","categories":[1],"acf":{"readingTimeMinutes":"4"},"uagb_featured_image_src":{"full":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/11\/astronomers-have-captured-the-first-ever-close-up-image-of-a-star-beyond-our-galaxy.jpg",1200,1200,false],"thumbnail":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/11\/astronomers-have-captured-the-first-ever-close-up-image-of-a-star-beyond-our-galaxy-150x150.jpg",150,150,true],"medium":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/11\/astronomers-have-captured-the-first-ever-close-up-image-of-a-star-beyond-our-galaxy-300x300.jpg",300,300,true],"medium_large":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/11\/astronomers-have-captured-the-first-ever-close-up-image-of-a-star-beyond-our-galaxy-768x768.jpg",768,768,true],"large":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/11\/astronomers-have-captured-the-first-ever-close-up-image-of-a-star-beyond-our-galaxy-1024x1024.jpg",800,800,true],"1536x1536":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/11\/astronomers-have-captured-the-first-ever-close-up-image-of-a-star-beyond-our-galaxy.jpg",1200,1200,false],"2048x2048":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/11\/astronomers-have-captured-the-first-ever-close-up-image-of-a-star-beyond-our-galaxy.jpg",1200,1200,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: Monday, 25 November 2024 at 11:55 AM Astronomers have, for the first time ever, captured a close-up image of a star beyond our home Galaxy. The star, known as WOH G64, is located 160,000 lightyears away in the Large Magellanic Cloud, a small satellite galaxy of our own Milky Way. Zoomed-in&hellip;","_links":{"self":[{"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/rss_feed\/66075"}],"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\/66076"}],"wp:attachment":[{"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/media?parent=66075"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/categories?post=66075"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}