{"id":5383,"date":"2013-11-21T18:32:14","date_gmt":"2013-11-21T18:32:14","guid":{"rendered":"http:\/\/hobbyspace.com\/Blog\/?p=5383"},"modified":"2013-11-21T18:32:14","modified_gmt":"2013-11-21T18:32:14","slug":"esa-video-guide-to-our-galaxy","status":"publish","type":"post","link":"https:\/\/hobbyspace.com\/Blog\/?p=5383","title":{"rendered":"ESA Video: Guide to our Galaxy"},"content":{"rendered":"<p>ESA released this video\u00a0<a href=\"http:\/\/spaceinvideos.esa.int\/Videos\/2013\/11\/Guide_to_our_Galaxy\" target=\"_d\">Guide to our Galaxy<\/a>:<\/p>\n<p style=\"text-align: center;\"><iframe loading=\"lazy\" src=\"http:\/\/spaceinvideos.esa.int\/content\/view\/embedjw\/423110\" height=\"360\" width=\"640\" frameborder=\"0\"><\/iframe><\/p>\n<p>Caption:<\/p>\n<blockquote><p>This virtual journey shows the different components that make up our home galaxy, the Milky Way, which contains about a hundred billion stars.<\/p>\n<p>It starts at the black hole at the centre of the Milky Way and with the stars that orbit around it, before zooming out through the central Galactic Bulge, which hosts about ten billion stars.<\/p>\n<p>The journey continues through a younger population of stars in the stellar disc, home to most of the Milky Way&#8217;s stars, and which is embedded in a slightly larger gaseous disc. Stars in the disc are arranged in a spiral arm pattern and orbit the centre of the Galaxy.<\/p>\n<p>The discs and bulge are embedded in the stellar halo, a spherical structure that consists of a large number of globular clusters \u2013 the oldest population of stars in the Galaxy \u2013 as well as many isolated stars. An even larger halo of invisible dark matter is inferred by its gravitational effect on the motions of stars in the Galaxy.<\/p>\n<p>Looking at a face-on view of the Galaxy we see the position of our Sun, located at a distance of about 26\u00a0000 light-years from the Galactic Centre.<\/p>\n<p>Finally, the extent of the stellar survey conducted by ESA\u2019s Hipparcos mission is shown, which surveyed more than 100\u00a0000 stars up to 300 light-years away from the Sun. In comparison, ESA\u2019s Gaia survey will study one billion stars out to 30\u00a0000 light-years away.<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>ESA released this video\u00a0Guide to our Galaxy: Caption: This virtual journey shows the different components that make up our home galaxy, the Milky Way, which contains about a hundred billion stars. It starts at the black hole at the centre of the Milky Way and with the stars that orbit around it, before zooming out &hellip; <a href=\"https:\/\/hobbyspace.com\/Blog\/?p=5383\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">ESA Video: Guide to our Galaxy<\/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":[12,36,13],"tags":[],"class_list":["post-5383","post","type-post","status-publish","format-standard","hentry","category-astronomy","category-multiple-media","category-space-science"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p34aWK-1oP","jetpack-related-posts":[{"id":13154,"url":"https:\/\/hobbyspace.com\/Blog\/?p=13154","url_meta":{"origin":5383,"position":0},"title":"Hubble telescope observes stellar cluster with stars from early Milky Way","author":"TopSpacer","date":"September 7, 2016","format":false,"excerpt":"A team of astronomers using the\u00a0Hubble space telescope\u00a0release a new finding: Hubble discovers rare fossil relic of early Milky Way\u00a0 A fossilised remnant of the early Milky Way harbouring stars of hugely different ages has been revealed by an international team of astronomers. This stellar system resembles a globular cluster,\u2026","rel":"","context":"In &quot;Astronomy&quot;","block_context":{"text":"Astronomy","link":"https:\/\/hobbyspace.com\/Blog\/?cat=12"},"img":{"alt_text":"Peering through the thick dust clouds of the galactic bulge an international team of astronomers has revealed the unusual mix of stars in the stellar cluster known as Terzan 5. The new results indicate that Terzan 5 is in fact one of the bulge's primordial building blocks, most likely the relic of the very early days of the Milky Way. Observations were made with the Wide Field Camera 3 (WFC3) on board the Hubble, the Multi-conjugate Adaptive Optics Demonstrator (MAD) instrument on ESO's Very Large Telescope and the second generation Near Infrared Camera at the Keck Telescope.","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/09\/heic1617a1.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":11652,"url":"https:\/\/hobbyspace.com\/Blog\/?p=11652","url_meta":{"origin":5383,"position":1},"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":13321,"url":"https:\/\/hobbyspace.com\/Blog\/?p=13321","url_meta":{"origin":5383,"position":2},"title":"ESO: Ancient stars discovered at center of the Milky Way","author":"TopSpacer","date":"October 12, 2016","format":false,"excerpt":"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.\u2026","rel":"","context":"In &quot;Astronomy&quot;","block_context":{"text":"Astronomy","link":"https:\/\/hobbyspace.com\/Blog\/?cat=12"},"img":{"alt_text":"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.","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1636a1-1024x832.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":22531,"url":"https:\/\/hobbyspace.com\/Blog\/?p=22531","url_meta":{"origin":5383,"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":17491,"url":"https:\/\/hobbyspace.com\/Blog\/?p=17491","url_meta":{"origin":5383,"position":4},"title":"Hubble: Huge new image mosaic of the Triangulum Galaxy","author":"TopSpacer","date":"January 8, 2019","format":false,"excerpt":"The Hubble Space Telescope collaboration has released huge new mosaic image of the Trangulum Galaxy: Hubble takes gigantic image of the Triangulum Galaxy The NASA\/ESA Hubble Space Telescope has captured the most detailed image yet of a close neighbour of the Milky Way \u2014 the Triangulum Galaxy, a spiral galaxy\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\/01\/heic1901a1.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":9274,"url":"https:\/\/hobbyspace.com\/Blog\/?p=9274","url_meta":{"origin":5383,"position":5},"title":"Hubble finding overturns theory of how globular clusters of stars are formed","author":"TopSpacer","date":"November 20, 2014","format":false,"excerpt":"A new fining from ESA\/Hubble: The riddle of the missing stars Thanks to the NASA\/ESA Hubble Space Telescope, some of the most mysterious cosmic residents have just become even more puzzling. New observations of globular clusters in a small galaxy show they are very similar to those found in the\u2026","rel":"","context":"In &quot;Astronomy&quot;","block_context":{"text":"Astronomy","link":"https:\/\/hobbyspace.com\/Blog\/?cat=12"},"img":{"alt_text":"Four globular clusters in Fornax","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2014\/11\/heic1425a1-1024x254.jpg?resize=350%2C200","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts\/5383","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=5383"}],"version-history":[{"count":1,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts\/5383\/revisions"}],"predecessor-version":[{"id":5384,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts\/5383\/revisions\/5384"}],"wp:attachment":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5383"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5383"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5383"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}