{"id":13619,"date":"2016-12-12T11:00:00","date_gmt":"2016-12-12T16:00:00","guid":{"rendered":"http:\/\/hobbyspace.com\/Blog\/?p=13619"},"modified":"2016-12-09T12:22:16","modified_gmt":"2016-12-09T17:22:16","slug":"eso-gigantic-spinning-black-hole-swallowing-star-could-explain-super-bright-event","status":"publish","type":"post","link":"https:\/\/hobbyspace.com\/Blog\/?p=13619","title":{"rendered":"ESO: Gigantic spinning black hole swallowing star could explain super bright event"},"content":{"rendered":"<p>Here is a new report from\u00a0<a href=\"https:\/\/www.eso.org\/public\/news\/eso1644\/?lang\" target=\"_d\">ESO<\/a>\u00a0(European Southern Observatory):<\/p>\n<p style=\"text-align: center;\"><strong><a href=\"https:\/\/www.eso.org\/public\/news\/eso1644\/?lang\" target=\"_blank\">Spinning Black Hole Swallowing Star Explains Superluminous Event<\/a><\/strong><br \/>\n<em>ESO telescopes help reinterpret brilliant explosion\u00a0<\/em><\/p>\n<p>An extraordinarily brilliant point of light seen in a distant galaxy, and dubbed ASASSN-15lh, was thought to be the brightest supernova ever seen. But new observations from several observatories, including ESO, have now cast doubt on this classification. Instead, a group of astronomers propose that the source was an even more extreme and very rare event \u2014 a rapidly spinning black hole ripping apart a passing star that came too close.<\/p>\n<p><figure id=\"attachment_13620\" aria-describedby=\"caption-attachment-13620\" style=\"width: 500px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.eso.org\/public\/images\/eso1644a\/\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"13620\" data-permalink=\"https:\/\/hobbyspace.com\/Blog\/?attachment_id=13620\" data-orig-file=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/12\/eso1644a1.jpg\" data-orig-size=\"700,467\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;ESO, ESA\/Hubble, M. Kornmesser&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;This artist\\u2019s impression depicts a Sun-like star close to a rapidly spinning supermassive black hole, with a mass of about 100 million times the mass of the Sun, in the centre of a distant galaxy. Its large mass bends the light from stars and gas behind it. Despite being way more massive than the star, the supermassive black hole has an event horizon which is only 200 times larger than the size of the star. Its fast rotation has changed its shape into an oblate sphere. The gravitational pull of the supermassive black hole rips the the star apart in a tidal disruption event. In the process, the star was \\u201cspaghettified\\u201d and shocks in the colliding debris as well as heat generated in accretion led to a burst of light.&quot;,&quot;created_timestamp&quot;:&quot;1481562000&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;Close-up of star near a supermassive black hole (artist\\u2019s impr&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Close-up of star near a supermassive black hole (artist\u2019s impr\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;This artist\u2019s impression depicts a Sun-like star close to a rapidly spinning supermassive black hole, with a mass of about 100 million times the mass of the Sun, in the centre of a distant galaxy. Its large mass bends the light from stars and gas behind it. Despite being way more massive than the star, the supermassive black hole has an event horizon which is only 200 times larger than the size of the star. Its fast rotation has changed its shape into an oblate sphere. The gravitational pull of the supermassive black hole rips the the star apart in a tidal disruption event. In the process, the star was \u201cspaghettified\u201d and shocks in the colliding debris as well as heat generated in accretion led to a burst of light.&lt;\/p&gt;\n\" data-large-file=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/12\/eso1644a1.jpg\" class=\"wp-image-13620\" src=\"http:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/12\/eso1644a1.jpg\" width=\"500\" height=\"334\" srcset=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/12\/eso1644a1.jpg 700w, https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/12\/eso1644a1-300x200.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><figcaption id=\"caption-attachment-13620\" class=\"wp-caption-text\"><em>This artist\u2019s impression depicts a Sun-like star close to a rapidly spinning supermassive black hole, with a mass of about 100 million times the mass of the Sun, in the centre of a distant galaxy. Its large mass bends the light from stars and gas behind it. Despite being way more massive than the star, the supermassive black hole has an event horizon which is only 200 times larger than the size of the star. Its fast rotation has changed its shape into an oblate sphere. The gravitational pull of the supermassive black hole rips the the star apart in a tidal disruption event. In the process, the star was \u201cspaghettified\u201d and shocks in the colliding debris as well as heat generated in accretion led to a burst of light. [<a href=\"https:\/\/www.eso.org\/public\/images\/eso1644a\/\" target=\"_blank\">Large images<\/a>.]<\/em><\/figcaption><\/figure>In 2015, the <a href=\"http:\/\/www.astronomy.ohio-state.edu\/~assassin\/index.shtml\" target=\"_blank\">All Sky Automated Survey for SuperNovae<\/a> (ASAS-SN) detected an event, named ASASSN-15lh, that was recorded as the brightest <a href=\"https:\/\/en.wikipedia.org\/wiki\/Supernova\" target=\"_blank\">supernova<\/a> ever \u2014 and categorised as a superluminous supernova, the explosion of an extremely massive star at the end of its life. It was twice as bright as the previous record holder, and at its peak was 20 times brighter than the total light output of the entire Milky Way.<\/p>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"1600\" height=\"900\" src=\"https:\/\/www.youtube.com\/embed\/CLqYCO5Cll0?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n<p style=\"padding-left: 30px;\"><em>This animation shows how the ASASSN-15lh most likely happened. A Sun-like star gets into the area of influence of a rapidly spinning supermassive black hole in the centre of a distant galaxy. While its orbit gets constantly closer to the black hole the star gets \u201cspaghettified\u201d, creating an accretion disc around the supermassive black hole. When it finally gets ripped apart close to the event horizon it creates a bright flash, that could resemble a superluminous supernova.\u00a0Credit:\u00a0ESO, ESA\/Hubble, M. Kornmesser<\/em><\/p>\n<p>An international team, led by Giorgos Leloudas at the <a href=\"http:\/\/www.weizmann.ac.il\/pages\/\" target=\"_blank\">Weizmann Institute of Science<\/a>, Israel, and the<a href=\"http:\/\/dark.nbi.ku.dk\/\" target=\"_blank\"> Dark Cosmology Centre<\/a>, Denmark, has now made additional observations of the distant galaxy, about 4 billion light-years from Earth, where the explosion took place and they have proposed a new explanation for this extraordinary event.<\/p>\n<p style=\"padding-left: 30px;\">\u201c<em>We observed the source for 10 months following the event and have concluded that the explanation is unlikely to lie with an extraordinarily bright supernova. Our results indicate that the event was probably caused by a rapidly spinning supermassive black hole as it destroyed a low-mass star<\/em>,\u201d<\/p>\n<p>explains Leloudas.<\/p>\n<p>In this scenario, the extreme gravitational forces of a <a href=\"https:\/\/en.wikipedia.org\/wiki\/Supermassive_black_hole\" target=\"_blank\">supermassive black hole<\/a>, located in the centre of the host galaxy, ripped apart a Sun-like star that wandered too close \u2014 a so-called <a href=\"https:\/\/en.wikipedia.org\/wiki\/Tidal_disruption_event\" target=\"_blank\">tidal disruption event<\/a>, something so far only observed about 10 times. In the process, the star was \u201c<a href=\"https:\/\/en.wikipedia.org\/wiki\/Spaghettification\" target=\"_blank\">spaghettified<\/a>\u201d and shocks in the colliding debris as well as heat generated in accretion led to a burst of light. This gave the event the appearance of a very bright supernova explosion, even though the star would not have become a supernova on its own as it did not have enough mass.<\/p>\n<p><figure id=\"attachment_13621\" aria-describedby=\"caption-attachment-13621\" style=\"width: 500px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.eso.org\/public\/images\/eso1644b\/\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"13621\" data-permalink=\"https:\/\/hobbyspace.com\/Blog\/?attachment_id=13621\" data-orig-file=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/12\/eso1644b1.jpg\" data-orig-size=\"700,496\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;ESO, ESA\/Hubble, M. Kornmesser&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;This artist\\u2019s impression depicts a rapidly spinning supermassive black hole surrounded by an accretion disc. This thin disc of rotating material consists of the leftovers of a Sun-like star which was ripped apart by the tidal forces of the black hole. Shocks in the colliding debris as well as heat generated in accretion led to a burst of light, resembling a supernova explosion.&quot;,&quot;created_timestamp&quot;:&quot;1481562000&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;Supermassive black hole with torn-apart star (artist\\u2019s impress&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Supermassive black hole with torn-apart star (artist\u2019s impress\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;This artist\u2019s impression depicts a rapidly spinning supermassive black hole surrounded by an accretion disc. This thin disc of rotating material consists of the leftovers of a Sun-like star which was ripped apart by the tidal forces of the black hole. Shocks in the colliding debris as well as heat generated in accretion led to a burst of light, resembling a supernova explosion.&lt;\/p&gt;\n\" data-large-file=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/12\/eso1644b1.jpg\" class=\"wp-image-13621\" src=\"http:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/12\/eso1644b1.jpg\" width=\"500\" height=\"354\" srcset=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/12\/eso1644b1.jpg 700w, https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/12\/eso1644b1-300x213.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><figcaption id=\"caption-attachment-13621\" class=\"wp-caption-text\"><em>This artist\u2019s impression depicts a rapidly spinning supermassive black hole surrounded by an accretion disc. This thin disc of rotating material consists of the leftovers of a Sun-like star which was ripped apart by the tidal forces of the black hole. Shocks in the colliding debris as well as heat generated in accretion led to a burst of light, resembling a supernova explosion. [<a href=\"https:\/\/www.eso.org\/public\/images\/eso1644b\/\" target=\"_blank\">Larger images.<\/a>]<\/em><\/figcaption><\/figure>The team based their new conclusions on observations from a selection of telescopes, both on the ground and in space. Among them was the <a href=\"http:\/\/www.eso.org\/public\/usa\/teles-instr\/paranal\/\" target=\"_blank\">Very Large Telescope<\/a> at ESO\u2019s Paranal Observatory, the <a href=\"http:\/\/www.eso.org\/public\/usa\/teles-instr\/lasilla\/ntt\/\" target=\"_blank\">New Technology Telescope<\/a> at ESO\u2019s La Silla Observatory and the NASA\/ESA <a href=\"http:\/\/www.spacetelescope.org\/\" target=\"_blank\">Hubble Space Telescope <\/a><a href=\"#1\">[1]<\/a>. The observations with the NTT were made as part of the <a href=\"http:\/\/www.pessto.org\/\" target=\"_blank\">Public ESO Spectroscopic Survey of Transient Objects<\/a> (PESSTO).<\/p>\n<p style=\"padding-left: 30px;\">\u201c<em>There are several independent aspects to the observations that suggest that this event was indeed a tidal disruption and not a superluminous supernova,<\/em>\u201d<\/p>\n<p>explains coauthor Morgan Fraser from the University of Cambridge, UK (now at University College Dublin, Ireland).<\/p>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"1600\" height=\"900\" src=\"https:\/\/www.youtube.com\/embed\/4YzWosQYg6Q?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n<p dir=\"ltr\" style=\"padding-left: 30px;\"><em>This simulation shows a star getting torn apart by the gravitational tides of a supermassive black hole. The star gets \u201c<a href=\"https:\/\/en.wikipedia.org\/wiki\/Spaghettification\">spaghettified<\/a>\u201d and after several orbits creates an accretion disc. Scientists believe that the superluminous ASASSN-15lh event originated in this way. The view on the right is from the side and that at the left face on.\u00a0Credit:\u00a0ESO, ESA\/Hubble, N. Stone, K. Hayasaki<\/em><\/p>\n<p>In particular, the data revealed that the event went through three distinct phases over the 10 months of follow-up observations. These data overall more closely resemble what is expected for a tidal disruption than a superluminous supernova. An observed re-brightening in <a href=\"https:\/\/en.wikipedia.org\/wiki\/Ultraviolet\" target=\"_blank\">ultraviolet<\/a> light as well as a temperature increase further reduce the likelihood of a supernova event. Furthermore, the location of the event \u2014 a red, massive and passive galaxy \u2014 is not the usual home for a superluminous supernova explosion, which normally occur in blue, <a href=\"https:\/\/en.wikipedia.org\/wiki\/Star_formation\" target=\"_blank\">star-forming<\/a> <a href=\"https:\/\/en.wikipedia.org\/wiki\/Dwarf_galaxy\" target=\"_blank\">dwarf galaxies<\/a>.<\/p>\n<p>Although the team say a supernova source is therefore very unlikely, they accept that a classical tidal disruption event would not be an adequate explanation for the event either. Team member Nicholas Stone from Columbia University, USA, elaborates:<\/p>\n<p style=\"padding-left: 30px;\">\u201c<em>The tidal disruption event we propose cannot be explained with a non-spinning supermassive black hole. We argue that ASASSN-15lh was a tidal disruption event arising from a very particular kind of black hole.<\/em>\u201d<\/p>\n<p>The mass of the host galaxy implies that the supermassive black hole at its centre has a mass of at least 100 million times that of the Sun. A black hole of this mass would normally be unable to disrupt stars outside of its <a href=\"https:\/\/en.wikipedia.org\/wiki\/Event_horizon\" target=\"_blank\">event horizon<\/a> \u2014 the boundary within which nothing is able to escape its gravitational pull. However, if the black hole is a particular kind that happens to be rapidly spinning \u2014 a so-called <a href=\"https:\/\/en.wikipedia.org\/w\/index.php?title=Kerr_black_hole&amp;redirect=no\" target=\"_blank\">Kerr black hole<\/a> \u2014 the situation changes and this limit no longer applies.<\/p>\n<p style=\"padding-left: 30px;\">\u201c<em>Even with all the collected data we cannot say with 100% certainty that the ASASSN-15lh event was a tidal disruption event,<\/em>\u201d concludes Leloudas. \u201c<em>But it is by far the most likely explanation.<\/em>\u201d<\/p>\n<p><strong>Notes<\/strong><\/p>\n<p><a class=\"anchor\" name=\"1\"><\/a>[1] As well as the data from ESO\u2019s Very Large Telescope, the New Technology Telescope and the NASA\/ESA Hubble Space Telescope the team used observations from <a href=\"http:\/\/swift.gsfc.nasa.gov\/\" target=\"_blank\">NASA\u2019s Swift telescope<\/a>, the <a href=\"https:\/\/lco.global\/observatory\/\" target=\"_blank\">Las Cumbres Observatory Global Telescope (LCOGT)<\/a>, the<a href=\"https:\/\/www.narrabri.atnf.csiro.au\/\" target=\"_blank\"> Australia Telescope Compact Array<\/a>, <a href=\"http:\/\/www.cosmos.esa.int\/web\/xmm-newton\" target=\"_blank\">ESA\u2019s XMM-Newton<\/a>, the <a href=\"http:\/\/rsaa.anu.edu.au\/observatories\/instruments\/wide-field-spectrograph-wifes\" target=\"_blank\">Wide-Field Spectrograph (WiFeS)<\/a>and the <a href=\"http:\/\/obs.carnegiescience.edu\/magellan\" target=\"_blank\">Magellan Telescope<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Here is a new report from\u00a0ESO\u00a0(European Southern Observatory): Spinning Black Hole Swallowing Star Explains Superluminous Event ESO telescopes help reinterpret brilliant explosion\u00a0 An extraordinarily brilliant point of light seen in a distant galaxy, and dubbed ASASSN-15lh, was thought to be the brightest supernova ever seen. But new observations from several observatories, including ESO, have now &hellip; <a href=\"https:\/\/hobbyspace.com\/Blog\/?p=13619\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">ESO: Gigantic spinning black hole swallowing star could explain super bright event<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[12],"tags":[],"class_list":["post-13619","post","type-post","status-publish","format-standard","hentry","category-astronomy"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p34aWK-3xF","jetpack-related-posts":[{"id":25505,"url":"https:\/\/hobbyspace.com\/Blog\/?p=25505","url_meta":{"origin":13619,"position":0},"title":"ESO: Distant black hole swallowing a star discovered in visible light","author":"TopSpacer","date":"November 30, 2022","format":false,"excerpt":"The latest report from the European Southern Observatory (ESO): Most distant detection of a black hole swallowing a star Earlier this year, the European Southern Observatory\u2019s Very Large Telescope (ESO\u2019s VLT) was alerted after an unusual source of visible light had been detected by a survey telescope. The VLT, together\u2026","rel":"","context":"In &quot;Astronomy&quot;","block_context":{"text":"Astronomy","link":"https:\/\/hobbyspace.com\/Blog\/?cat=12"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2022\/11\/eso2216a1-500x298.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":22936,"url":"https:\/\/hobbyspace.com\/Blog\/?p=22936","url_meta":{"origin":13619,"position":1},"title":"ESO: Telescopes observe final moments of a star eaten by a black hole","author":"TopSpacer","date":"October 12, 2020","format":false,"excerpt":"A new report from the European Southern Observatory (ESO): Death by Spaghettification: ESO Telescopes Record Last Moments of Star Devoured by a Black Hole Using telescopes from the European Southern Observatory (ESO) and other organisations around the world, astronomers have spotted a rare blast of light from a star being\u2026","rel":"","context":"In &quot;Astronomy&quot;","block_context":{"text":"Astronomy","link":"https:\/\/hobbyspace.com\/Blog\/?cat=12"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2020\/10\/eso2018a1-500x303.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":13199,"url":"https:\/\/hobbyspace.com\/Blog\/?p=13199","url_meta":{"origin":13619,"position":2},"title":"ESO: Galaxy dims as its supermassive black hole starves from a lack of new matter","author":"TopSpacer","date":"September 15, 2016","format":false,"excerpt":"Yet another interesting report from the European Southern Observatory (ESO): Starving Black Hole Returns Brilliant Galaxy to the Shadows The mystery of a rare change in the behaviour of a supermassive black hole at the centre of a distant galaxy has been solved by an international team of astronomers using\u2026","rel":"","context":"In &quot;Astronomy&quot;","block_context":{"text":"Astronomy","link":"https:\/\/hobbyspace.com\/Blog\/?cat=12"},"img":{"alt_text":"This image from the MUSE instrument on ESO\u2019s Very Large Telescope shows the active galaxy Markarian 1018, which has a supermassive black hole at its core. The faint loops of light around the galaxy are a result of its interaction and merger with another galaxy in the recent past.","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/09\/eso1631a1.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":9478,"url":"https:\/\/hobbyspace.com\/Blog\/?p=9478","url_meta":{"origin":13619,"position":3},"title":"ESO: The Hot Blue Stars of Messier 47","author":"TopSpacer","date":"December 17, 2014","format":false,"excerpt":"The latest science from the European Southern Observatory (ESO): The Hot Blue Stars of Messier 47 This spectacular image of the star cluster Messier 47 was taken using the Wide Field Imager camera, installed on the MPG\/ESO 2.2-metre telescope at ESO\u2019s La Silla Observatory in Chile. This young open cluster\u2026","rel":"","context":"In &quot;Astronomy&quot;","block_context":{"text":"Astronomy","link":"https:\/\/hobbyspace.com\/Blog\/?cat=12"},"img":{"alt_text":"The star cluster Messier 47","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2014\/12\/eso1441aaaa-1024x988.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":21780,"url":"https:\/\/hobbyspace.com\/Blog\/?p=21780","url_meta":{"origin":13619,"position":4},"title":"ESO: Black hole found in triple star system just 1000 light years away","author":"TopSpacer","date":"May 6, 2020","format":false,"excerpt":"The latest report from ESO (European Southern Observatory): ESO Instrument Finds Closest Black Hole to Earth Invisible object has two companion stars visible to the naked eye A team of astronomers from the European Southern Observatory (ESO) and other institutes has discovered a black hole lying just 1000 light-years from\u2026","rel":"","context":"In &quot;Astronomy&quot;","block_context":{"text":"Astronomy","link":"https:\/\/hobbyspace.com\/Blog\/?cat=12"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2020\/05\/eso2007a1-500x300.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":12789,"url":"https:\/\/hobbyspace.com\/Blog\/?p=12789","url_meta":{"origin":13619,"position":5},"title":"ESO: Successful First Observations of Galactic Centre with GRAVITY","author":"TopSpacer","date":"June 23, 2016","format":false,"excerpt":"Here is the latest\u00a0ESO\u00a0(European Southern Observatory) report: Successful First Observations of Galactic Centre with GRAVITY Black hole probe now working with the four VLT Unit Telescopes A European team of astronomers have used the new GRAVITY instrument at ESO\u2019s Very Large Telescope to obtain exciting observations of the centre of\u2026","rel":"","context":"In &quot;Astronomy&quot;","block_context":{"text":"Astronomy","link":"https:\/\/hobbyspace.com\/Blog\/?cat=12"},"img":{"alt_text":"eso1622a[1]","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/06\/eso1622a1.jpg?resize=350%2C200","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts\/13619","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=13619"}],"version-history":[{"count":1,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts\/13619\/revisions"}],"predecessor-version":[{"id":13622,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts\/13619\/revisions\/13622"}],"wp:attachment":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13619"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13619"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13619"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}