{"id":5288,"date":"2017-01-30T17:14:57","date_gmt":"2017-01-30T22:14:57","guid":{"rendered":"http:\/\/sciencemediacentre.ca\/site\/?p=5288"},"modified":"2017-01-30T17:14:57","modified_gmt":"2017-01-30T22:14:57","slug":"newly-discovered-groups-of-dwarf-galaxies-can-help-scientists-understand-galactic-growth","status":"publish","type":"post","link":"http:\/\/sciencemediacentre.ca\/site\/newly-discovered-groups-of-dwarf-galaxies-can-help-scientists-understand-galactic-growth\/","title":{"rendered":"Newly discovered groups of dwarf galaxies can help scientists understand galactic growth <img src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/01\/canada_flag_icon_small.gif\">"},"content":{"rendered":"<div id=\"attachment_5289\" style=\"width: 310px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5289\" class=\"size-full wp-image-5289\" src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2017\/01\/Fig3_dm1049_MMTF_zoom-300x300.jpg\" alt=\"An optical image of one of the isolated galaxy groups observed with the Magellan Telescope in Chile. The red knots reveal emissions that signify recent and ongoing star formation. (Image by Kelsey E Johnson, Sandra E Liss, and Sabrina Stierwalt)\" width=\"300\" height=\"300\" srcset=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2017\/01\/Fig3_dm1049_MMTF_zoom-300x300.jpg 300w, http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2017\/01\/Fig3_dm1049_MMTF_zoom-300x300-150x150.jpg 150w, http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2017\/01\/Fig3_dm1049_MMTF_zoom-300x300-268x268.jpg 268w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-5289\" class=\"wp-caption-text\">An optical image of one of the isolated galaxy groups observed with the Magellan Telescope in Chile. The red knots reveal emissions that signify recent and ongoing star formation. (Image by Kelsey E Johnson, Sandra E Liss, and Sabrina Stierwalt)<\/p><\/div>\n<p>Galaxies are thought to form by the process of several smaller galaxies merging together. Now, <span class=\"il\">scientists<\/span>\u00a0might be able to observe the process firsthand, after a recent discovery of\u00a0seven groups of dwarf galaxies in the dark skies. The researchers used the largest optical survey of the night sky, as well as four different telescopes, to identify the tiny galaxies that vary from a tenth to a thousandth of the overall size of our Milky Way. If they&#8217;re lucky, the <span class=\"il\">scientists<\/span> say they might be able to observe as\u00a0these seven groups of dwarf galaxies\u00a0collide to form an intermediately-sized galaxy.<\/p>\n<p><strong>Authors:<\/strong><\/p>\n<p>S. Stierwalt, S. E. Liss, K. E. Johnson, D. R. Patton, G. C. Privon, G. Besla, N. Kallivayalil &amp; M. Putman<\/p>\n<p><strong>Canadian author:\u00a0<\/strong><\/p>\n<p>David Patton, Department of Physics &amp; Astronomy, Trent University, 1600 West Bank Drive, Peterborough, ON, Email: <a href=\"mailto:dpatton@trentu.ca\" target=\"_blank\">dpatton@trentu.ca<\/a><\/p>\n<p><a href=\"http:\/\/www.nature.com\/articles\/s41550-016-0025\" target=\"_blank\">Original paper <\/a>published in <em>Nature Astronomy<\/em> on January 23, 2017.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Galaxies are thought to form by the process of several smaller galaxies merging together. Now, scientists\u00a0might be able to observe the process firsthand, after a recent discovery of\u00a0seven groups of dwarf galaxies in the dark skies. The researchers used the largest optical survey of the night sky, as well as four different telescopes, to identify [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5289,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_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":[25],"tags":[1388,2821,2820,2368],"class_list":["post-5288","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-paper-of-interest","tag-astronomy","tag-cosmology","tag-galactic-formation","tag-stars"],"jetpack_featured_media_url":"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2017\/01\/Fig3_dm1049_MMTF_zoom-300x300.jpg","jetpack_shortlink":"https:\/\/wp.me\/p4DqbN-1ni","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/5288","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/comments?post=5288"}],"version-history":[{"count":2,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/5288\/revisions"}],"predecessor-version":[{"id":5291,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/5288\/revisions\/5291"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media\/5289"}],"wp:attachment":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media?parent=5288"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/categories?post=5288"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/tags?post=5288"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}