{"id":13321,"date":"2016-10-12T06:00:15","date_gmt":"2016-10-12T10:00:15","guid":{"rendered":"http:\/\/hobbyspace.com\/Blog\/?p=13321"},"modified":"2016-10-10T15:26:00","modified_gmt":"2016-10-10T19:26:00","slug":"eso-ancient-stars-discovered-at-center-of-the-milky-way","status":"publish","type":"post","link":"https:\/\/hobbyspace.com\/Blog\/?p=13321","title":{"rendered":"ESO: Ancient stars discovered at center of the Milky Way"},"content":{"rendered":"<p>The latest report from the European Southern Observatory (<a href=\"https:\/\/www.eso.org\/public\/news\/eso1636\/?lang\" target=\"_d\">ESO<\/a>):<\/p>\n<p style=\"text-align: center;\"><strong><a href=\"https:\/\/www.eso.org\/public\/news\/eso1636\/?lang\" target=\"_blank\">The Milky Way\u2019s Ancient Heart<\/a><br \/>\n<\/strong><em>VISTA finds remains of archaic globular star cluster<\/em><\/p>\n<figure id=\"attachment_13322\" aria-describedby=\"caption-attachment-13322\" style=\"width: 520px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.eso.org\/public\/images\/eso1636a\/\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"13322\" data-permalink=\"https:\/\/hobbyspace.com\/Blog\/?attachment_id=13322\" data-orig-file=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1636a1.jpg\" data-orig-size=\"1280,1040\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;ESO\/VVV Survey\/D. Minniti&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;This image, captured with the VISTA infrared survey telescope, as part of the Variables in the Via Lactea (VVV) ESO public survey, shows the central part of the Milky Way. While normally hidden behind obscuring dust, the infrared capabilities of VISTA allow to study the stars close to the galactic centre. Within this field of view astronomers detected several ancient stars, of a type known as RR Lyrae. As RR Lyrae stars typically reside in ancient stellar populations over 10 billion years old, this discovery suggests that the bulging centre of the Milky Way likely grew through the merging of primordial star clusters.&quot;,&quot;created_timestamp&quot;:&quot;1476273600&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;Variable stars close to the galactic centre&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Variable stars close to the galactic centre\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;This image, captured with the VISTA infrared survey telescope, as part of the Variables in the Via Lactea (VVV) ESO public survey, shows the central part of the Milky Way. While normally hidden behind obscuring dust, the infrared capabilities of VISTA allow to study the stars close to the galactic centre. Within this field of view astronomers detected several ancient stars, of a type known as RR Lyrae. As RR Lyrae stars typically reside in ancient stellar populations over 10 billion years old, this discovery suggests that the bulging centre of the Milky Way likely grew through the merging of primordial star clusters.&lt;\/p&gt;\n\" data-large-file=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1636a1-1024x832.jpg\" class=\"wp-image-13322 size-large\" src=\"http:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1636a1-1024x832.jpg\" alt=\"This image, captured with the VISTA infrared survey telescope, as part of the Variables in the Via Lactea (VVV) ESO public survey, shows the central part of the Milky Way. While normally hidden behind obscuring dust, the infrared capabilities of VISTA allow to study the stars close to the galactic centre. Within this field of view astronomers detected several ancient stars, of a type known as RR Lyrae. As RR Lyrae stars typically reside in ancient stellar populations over 10 billion years old, this discovery suggests that the bulging centre of the Milky Way likely grew through the merging of primordial star clusters.\" width=\"520\" height=\"423\" srcset=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1636a1-1024x832.jpg 1024w, https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1636a1-300x244.jpg 300w, https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1636a1-768x624.jpg 768w, https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1636a1.jpg 1280w\" sizes=\"auto, (max-width: 520px) 100vw, 520px\" \/><\/a><figcaption id=\"caption-attachment-13322\" class=\"wp-caption-text\"><em>This image, captured with the VISTA infrared survey telescope, as part of the Variables in the Via Lactea (VVV) ESO public survey, shows the central part of the Milky Way. While normally hidden behind obscuring dust, the infrared capabilities of VISTA allow to study the stars close to the galactic centre. Within this field of view astronomers detected several ancient stars, of a type known as RR Lyrae. As RR Lyrae stars typically reside in ancient stellar populations over 10 billion years old, this discovery suggests that the bulging centre of the Milky Way likely grew through the merging of primordial star clusters. (<a href=\"https:\/\/www.eso.org\/public\/images\/eso1636a\/\" target=\"_blank\">Larger images<\/a>)<\/em><\/figcaption><\/figure>\n<p>Ancient stars, of a type known as RR Lyrae, have been discovered in the centre of the Milky Way for the first time, using ESO\u2019s infrared VISTA telescope. RR Lyrae stars typically reside in ancient stellar populations over 10 billion years old. Their discovery suggests that the bulging centre of the Milky Way likely grew through the merging of primordial star clusters. These stars may even be the remains of the most massive and oldest surviving star cluster 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\/A5kYMOdv3Hg?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>The video, based on observations made in the infrared with the VISTA infrared survey telescope shows the central region of the Milky Way galaxy. Several variable stars within the field of views are marked with circles. They can also be identified as they brighten and fade in regular intervals. At the end the video zooms on one of the newly discovered RR Lyrae stars (marked with a red circle), which are too faint to be seen clearly in the large field of view.\u00a0Credit:\u00a0ESO\/VVV Survey\/D. Minniti<\/em><\/p>\n<p dir=\"ltr\">A team led by Dante Minniti (Universidad Andr\u00e9s Bello, Santiago, Chile) and Rodrigo Contreras Ramos (Instituto Milenio de Astrof\u00edsica, Santiago, Chile) used observations from the <a href=\"http:\/\/www.eso.org\/vista\/\" target=\"_blank\">VISTA infrared survey telescope<\/a>, as part of the <a href=\"https:\/\/vvvsurvey.org\/\" target=\"_blank\">Variables in the Via Lactea (VVV)<\/a> ESO public survey, to carefully search the central part of the Milky Way. By observing infrared light, which is less affected by cosmic dust than visible light, and exploiting the excellent conditions at <a href=\"http:\/\/www.eso.org\/public\/teles-instr\/paranal\/\" target=\"_blank\">ESO\u2019s Paranal Observatory<\/a>, the team was able to get a clearer view of this region than ever before. They found a dozen ancient <a href=\"https:\/\/en.wikipedia.org\/wiki\/RR_Lyrae_variable\" target=\"_blank\">RR Lyrae stars<\/a> at the heart of the <a href=\"https:\/\/en.wikipedia.org\/wiki\/Milky_Way\" target=\"_blank\">Milky Way<\/a> that were previously unknown.<\/p>\n<figure id=\"attachment_13323\" aria-describedby=\"caption-attachment-13323\" style=\"width: 500px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.eso.org\/public\/images\/eso0949l\/\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"13323\" data-permalink=\"https:\/\/hobbyspace.com\/Blog\/?attachment_id=13323\" data-orig-file=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso0949l1.jpg\" data-orig-size=\"700,716\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;ESO and Digitized Sky Survey 2.&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;This visible light wide-field view shows the rich star clouds in the constellation of Sagittarius (the Archer) in the direction of the centre of our Milky Way galaxy. The entire image is filled with vast numbers of stars \\u2014 but far more remain hidden behind clouds of dust and are only revealed in infrared images. This view was created from photographs in red and blue light and forming part of the Digitized Sky Survey 2. The field of view is approximately 3.5 degrees x 3.6 degrees.&quot;,&quot;created_timestamp&quot;:&quot;1260531000&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;Wide-field view of the Centre of the Milky Way&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Wide-field view of the Centre of the Milky Way\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;This visible light wide-field view shows the rich star clouds in the constellation of Sagittarius (the Archer) in the direction of the centre of our Milky Way galaxy. The entire image is filled with vast numbers of stars \u2014 but far more remain hidden behind clouds of dust and are only revealed in infrared images. This view was created from photographs in red and blue light and forming part of the Digitized Sky Survey 2. The field of view is approximately 3.5 degrees x 3.6 degrees.&lt;\/p&gt;\n\" data-large-file=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso0949l1.jpg\" class=\"wp-image-13323\" src=\"http:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso0949l1.jpg\" alt=\"This visible light wide-field view shows the rich star clouds in the constellation of Sagittarius (the Archer) in the direction of the centre of our Milky Way galaxy. The entire image is filled with vast numbers of stars \u2014 but far more remain hidden behind clouds of dust and are only revealed in infrared images. This view was created from photographs in red and blue light and forming part of the Digitized Sky Survey 2. The field of view is approximately 3.5 degrees x 3.6 degrees.\" width=\"500\" height=\"511\" srcset=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso0949l1.jpg 700w, https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso0949l1-293x300.jpg 293w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><figcaption id=\"caption-attachment-13323\" class=\"wp-caption-text\"><em>This visible light wide-field view shows the rich star clouds in the constellation of Sagittarius (the Archer) in the direction of the centre of our Milky Way galaxy. The entire image is filled with vast numbers of stars \u2014 but far more remain hidden behind clouds of dust and are only revealed in infrared images. This view was created from photographs in red and blue light and forming part of the Digitized Sky Survey 2. The field of view is approximately 3.5 degrees x 3.6 degrees. (<a href=\"https:\/\/www.eso.org\/public\/images\/eso0949l\/\" target=\"_blank\">Larger images<\/a>)<\/em><\/figcaption><\/figure>\n<p dir=\"ltr\">Our Milky Way has a densely populated centre \u2014 a feature common to many galaxies, but unique in that it is close enough to study in depth. This discovery of RR Lyrae stars provides compelling evidence that helps astronomers decide between two main competing theories for how nuclear <a href=\"https:\/\/en.wikipedia.org\/wiki\/Bulge_(astronomy)\" target=\"_blank\">bulges<\/a> form <a href=\"#1\">[1]<\/a>.<\/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\/F3bZB5y9zPw?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 video sequence starts from a wide field view of the Milky Way and closes near the galactic centre. Here astronomers using the <a href=\"http:\/\/www.eso.org\/vista\/\" target=\"_blank\">VISTA infrared survey telescope<\/a> discovered several ancient stars, of a type known as RR Lyrae. RR Lyrae stars typically reside in ancient stellar populations over 10 billion years old. Their discovery suggests that the bulging centre of the Milky Way likely grew through the merging of primordial star clusters.\u00a0Credit:\u00a0ESO, Digitized Sky Survey 2, N. Risinger (<a href=\"http:\/\/skysurvey.org\/\" target=\"_blank\">skysurvey.org<\/a>. Acknowledgment: Davide De Martin and S. Guisard (<a href=\"http:\/\/www.eso.org\/~sguisard\" target=\"_blank\">www.eso.org\/~sguisard<\/a>), Music:\u00a0Johan B. Monell\u00a0(<a href=\"http:\/\/www.johanmonell.com\/\" target=\"_blank\">www.johanmonell.com<\/a>)<\/em><\/p>\n<p dir=\"ltr\">RR Lyrae stars are typically found in dense <a href=\"https:\/\/en.wikipedia.org\/wiki\/Globular_cluster\" target=\"_blank\">globular clusters<\/a>. They are <a href=\"https:\/\/en.wikipedia.org\/wiki\/Variable_star\" target=\"_blank\">variable stars<\/a>, and the brightness of each RR Lyrae star fluctuates regularly. By observing the length of each cycle of brightening and dimming in an RR Lyrae, and also measuring the star\u2019s brightness, astronomers can calculate its distance <a href=\"#2\">[2]<\/a>.<\/p>\n<p dir=\"ltr\">Unfortunately, these excellent distance-indicator stars are frequently outshone by younger, brighter stars and in some regions they are hidden by dust. Therefore, locating RR Lyrae stars right in the extremely crowded heart of the Milky Way was not possible until the public VVV survey was carried out using infrared light. Even so, the team described the task of locating the RR Lyrae stars in amongst the crowded throng of brighter stars as \u201cdaunting\u201d.<\/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\/F7n8Kqd11Nc?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 video zooms across a part of the sky close to the centre of our Milky Way, which was observed with the VISTA infrared survey telescope. Within this part of the sky astronomers discovered a dozen new variable stars. Their discovery suggests that the bulging centre of the Milky Way likely grew through the merging of primordial star clusters.\u00a0Credit:\u00a0ESO\/VVV Survey\/D. Minniti. Music: 5th Dimension<\/em><\/p>\n<p dir=\"ltr\">Their hard work was rewarded, however, with the identification of a dozen RR Lyrae stars. Their discovery indicate that remnants of ancient globular clusters are scattered within the centre of the Milky Way\u2019s bulge.<\/p>\n<p dir=\"ltr\">Rodrigo Contreras Ramos elaborates:<\/p>\n<p dir=\"ltr\" style=\"padding-left: 30px;\"><em> \u201cThis discovery of RR Lyrae Stars in the centre of the Milky Way has important implications for the formation of galactic nuclei. The evidence supports the scenario in which the nuclear bulge was originally made out of a few globular clusters that merged.\u201d<\/em><\/p>\n<p dir=\"ltr\">The theory that galactic nuclear bulges form through the merging of globular clusters is contested by the competing hypothesis that these bulges are actually due to the rapid accretion of gas. The unearthing of these RR Lyrae stars \u2014 almost always found in globular clusters \u2014 is very strong evidence that part of the Milky Way&#8217;s nuclear bulge did in fact form through merging. By extension, all other similar galactic bulges may have formed the same way.<\/p>\n<p dir=\"ltr\">Not only are these stars powerful evidence for an important theory of galactic evolution, they are also likely to be over 10 billion years old \u2014 the dim, but dogged survivors of perhaps the oldest and most massive star cluster within the Milky Way.<\/p>\n<figure id=\"attachment_13324\" aria-describedby=\"caption-attachment-13324\" style=\"width: 500px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1636b1.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"13324\" data-permalink=\"https:\/\/hobbyspace.com\/Blog\/?attachment_id=13324\" data-orig-file=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1636b1.jpg\" data-orig-size=\"700,901\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;ESO, IAU and Sky \\u0026amp; Telescope&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;This chart shows the location of the field of view within which the RR Lyrae stars close to the galactic centre were discovered \\u2014 marked with a red circle. The variable stars and the centre of the Milky Way are within the constellation of Sagittarius (The Archer). This map shows most of the stars visible to the unaided eye under good conditions.&quot;,&quot;created_timestamp&quot;:&quot;1476273600&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;RR Lyrae stars in the constellation of Sagittarius&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"RR Lyrae stars in the constellation of Sagittarius\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;This chart shows the location of the field of view within which the RR Lyrae stars close to the galactic centre were discovered \u2014 marked with a red circle. The variable stars and the centre of the Milky Way are within the constellation of Sagittarius (The Archer). This map shows most of the stars visible to the unaided eye under good conditions.&lt;\/p&gt;\n\" data-large-file=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1636b1.jpg\" class=\"wp-image-13324\" src=\"http:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1636b1.jpg\" alt=\"This chart shows the location of the field of view within which the RR Lyrae stars close to the galactic centre were discovered \u2014 marked with a red circle. The variable stars and the centre of the Milky Way are within the constellation of Sagittarius (The Archer). This map shows most of the stars visible to the unaided eye under good conditions.\" width=\"500\" height=\"644\" srcset=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1636b1.jpg 700w, https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1636b1-233x300.jpg 233w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><figcaption id=\"caption-attachment-13324\" class=\"wp-caption-text\"><em>This chart shows the location of the field of view within which the RR Lyrae stars close to the galactic centre were discovered \u2014 marked with a red circle. The variable stars and the centre of the Milky Way are within the constellation of Sagittarius (The Archer). This map shows most of the stars visible to the unaided eye under good conditions.<\/em><\/figcaption><\/figure>\n<h3>Notes<\/h3>\n<p><a name=\"1\"><\/a>[1] The nuclear stellar bulge is the compact component in the innermost regions of the Milky Way (and other galaxies) extending to a size of about 400 light-years.<\/p>\n<p><a name=\"2\"><\/a>[2] RR Lyrae stars, like some other regular variables such as Cepheids, show a simple relationship between how quickly they change in brightness and how luminous they are. Longer periods mean brighter stars. This period-luminosity relationship can be used to deduce the distance of a star from its period of variation and its apparent brightness.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The latest report from the European Southern Observatory (ESO): The Milky Way\u2019s Ancient Heart VISTA finds remains of archaic globular star cluster Ancient stars, of a type known as RR Lyrae, have been discovered in the centre of the Milky Way for the first time, using ESO\u2019s infrared VISTA telescope. RR Lyrae stars typically reside &hellip; <a href=\"https:\/\/hobbyspace.com\/Blog\/?p=13321\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">ESO: Ancient stars discovered at center of the Milky Way<\/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-13321","post","type-post","status-publish","format-standard","hentry","category-astronomy"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p34aWK-3sR","jetpack-related-posts":[{"id":20544,"url":"https:\/\/hobbyspace.com\/Blog\/?p=20544","url_meta":{"origin":13321,"position":0},"title":"ESO: VLT detects ancient burst of star formation in Milky Way core","author":"TopSpacer","date":"December 16, 2019","format":false,"excerpt":"A new report from the European Southern Observatory (ESO): ESO Telescope Images Stunning Central Region of Milky Way, Finds Ancient Star Burst ESO\u2019s Very Large Telescope (VLT) has observed the central part of the Milky Way with spectacular resolution and uncovered new details about the history of star birth in\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\/2019\/12\/eso1920a1-500x216.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":11363,"url":"https:\/\/hobbyspace.com\/Blog\/?p=11363","url_meta":{"origin":13321,"position":1},"title":"ESO: The Sculptor Dwarf Galaxy gives clues to early galaxy and star formation","author":"TopSpacer","date":"September 16, 2015","format":false,"excerpt":"ESO\u00a0(European Southern Observatory) releases a new report: A Shy Galactic Neighbour The Sculptor Dwarf Galaxy, pictured in this new image from the Wide Field Imager camera, installed on the 2.2-metre MPG\/ESO telescope at ESO\u2019s La Silla Observatory, is a close neighbour of our galaxy, the Milky Way. Despite their close\u2026","rel":"","context":"In &quot;Astronomy&quot;","block_context":{"text":"Astronomy","link":"https:\/\/hobbyspace.com\/Blog\/?cat=12"},"img":{"alt_text":"The Sculptor Dwarf Galaxy, pictured in a new image from the Wide Field Imager camera, installed on the 2.2-metre MPG\/ESO telescope at ESO\u2019s La Silla Observatory, is a close neighbour of our galaxy, the Milky Way. Despite their proximity, both galaxies have very distinct histories and characters. This galaxy is much smaller, fainter and older than the Milky Way and appears here as a cloud of faint stars filling most of the picture. Many other much more distant galaxies can be seen shining right through the sparse stars of the Sculptor Dwarf.","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2015\/09\/eso1536a1.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":11652,"url":"https:\/\/hobbyspace.com\/Blog\/?p=11652","url_meta":{"origin":13321,"position":2},"title":"ESO: VISTA telescope discovers a new feature of the Milky Way","author":"TopSpacer","date":"October 28, 2015","format":false,"excerpt":"A new report from ESO\u00a0(European Southern Observatory) VISTA Discovers New Component of Milky Way Astronomers using the VISTA telescope at ESO\u2019s Paranal Observatory have discovered a previously unknown component of the Milky Way. By mapping out the locations of a class of stars that vary in brightness called Cepheids, a\u2026","rel":"","context":"In &quot;Astronomy&quot;","block_context":{"text":"Astronomy","link":"https:\/\/hobbyspace.com\/Blog\/?cat=12"},"img":{"alt_text":"Astronomers using the VISTA telescope at ESO\u2019s Paranal Observatory have discovered a previously unknown component of the Milky Way. By mapping out the locations of a class of stars that vary in brightness called Cepheids, a disc of young stars buried behind thick dust clouds in the central bulge has been found. This diagram shows the locations of the newly discovered Cepheids in an artist\u2019s rendering of the Milky Way.","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2015\/10\/eso1542a1.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":22531,"url":"https:\/\/hobbyspace.com\/Blog\/?p=22531","url_meta":{"origin":13321,"position":3},"title":"ESO: Very early galaxy looks surprisingly like our Milky Way","author":"TopSpacer","date":"August 12, 2020","format":false,"excerpt":"A new report from the European Southern Observatory (ESO): ALMA sees most distant Milky Way look-alike Astronomers using the Atacama Large Millimeter\/submillimeter Array (ALMA), in which the European Southern Observatory (ESO) is a partner, have revealed an extremely distant and therefore very young galaxy that looks surprisingly like our Milky\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\/08\/eso2013b1-500x500.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":26990,"url":"https:\/\/hobbyspace.com\/Blog\/?p=26990","url_meta":{"origin":13321,"position":4},"title":"ESO telescope captures most detailed infrared map of Milky Way ever","author":"TopSpacer","date":"September 26, 2024","format":false,"excerpt":"The latest report from the European Southern Observatory (ESO): ESO telescope captures the most detailed infrared map ever of our Milky Way Astronomers have published a gigantic infrared map of the Milky Way containing more than 1.5 billion objects \u2015 the most detailed one ever made. Using the European Southern\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\/2024\/09\/eso2413a1-500x330.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":11563,"url":"https:\/\/hobbyspace.com\/Blog\/?p=11563","url_meta":{"origin":13321,"position":5},"title":"ESO: The dark Coalsack Nebula waits for new stars to light it up","author":"TopSpacer","date":"October 14, 2015","format":false,"excerpt":"ESO\u00a0releases its latest astronomical findings: A Cosmic Sackful of Black Coal Dark smudges almost block out a rich star field in this new image captured by the Wide Field Imager camera, installed on the MPG\/ESO 2.2-metre telescope at ESO\u2019s La Silla Observatory in Chile. The inky areas are small parts\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 Wide Field Imager on the MPG\/ESO 2.2-metre telescope shows part of the huge cloud of dust and gas known as the Coalsack Nebula. The dust in this nebula absorbs and scatters the light from background stars.","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2015\/10\/eso1539a1-924x1024.jpg?resize=350%2C200","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts\/13321","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=13321"}],"version-history":[{"count":1,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts\/13321\/revisions"}],"predecessor-version":[{"id":13325,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts\/13321\/revisions\/13325"}],"wp:attachment":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13321"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13321"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13321"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}