{"id":1150,"date":"2014-08-26T21:34:49","date_gmt":"2014-08-26T19:34:49","guid":{"rendered":"http:\/\/freebook.fernglas-astronomie.de\/?page_id=1150"},"modified":"2014-08-26T21:34:49","modified_gmt":"2014-08-26T19:34:49","slug":"supernova-remnants","status":"publish","type":"page","link":"http:\/\/freebook.fernglas-astronomie.de\/?page_id=1150","title":{"rendered":"Supernova Remnants"},"content":{"rendered":"<figure id=\"attachment_247\" class=\"wp-caption aligncenter\" style=\"width: 400px;\"><a href=\"http:\/\/freebook.fernglas-astronomie.de\/wp-content\/uploads\/2014\/04\/M1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-247\" src=\"http:\/\/freebook.fernglas-astronomie.de\/wp-content\/uploads\/2014\/04\/M1.jpg\" alt=\"Supernova\u00fcberreste sind im Gegensatz zu planetarischen Nebeln ausgedehnte, strukturlose Nebel, die nur schwer zu beobachten sind. Der kompakte M\u20091 im Krebs geh\u00f6rt zu den hellsten Exemplaren.\" width=\"400\" height=\"266\" srcset=\"http:\/\/freebook.fernglas-astronomie.de\/wp-content\/uploads\/2014\/04\/M1.jpg 400w, http:\/\/freebook.fernglas-astronomie.de\/wp-content\/uploads\/2014\/04\/M1-300x199.jpg 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><figcaption class=\"wp-caption-text\">Supernova remnants are large nebulae without clear structure and hard to observe. M1 in Taurus is one of the brightest.<\/figcaption><\/figure>\n<p>If stars which are significantly more massive than our Sun die, they explode in a supernova. Supernova remnants are the gas plume drifting through the universe after such an explosion and are excited by the Pulsar, which remains in the center of the explosion. Only a few supernova remnants can be seen fairly clear in our sky.<\/p>\n<p>M\u20091, the Crab Nebula in Taurus, goes back to a supernova in the year 1054 and will disappear in about 50,000 years, when the gas masses have moved so far away from their origin that they will no longer be stimulated to emit light. So, it will become invisible in the near future \u2013 if you use astronomical dimensions. In binoculars you can barely see a little, disappointing and featureless speckle of fog. The Veil Nebula in Cygnus is also not an easy object, although it appears as a 1\u00b0 long sickle.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Supernova remnants are large nebulae without clear structure and hard to observe. M1 in Taurus is one of the brightest. If stars which are significantly more massive than our Sun die, they explode in a supernova. Supernova remnants are the gas plume drifting through the universe after such an explosion and are excited by the &hellip; <a href=\"http:\/\/freebook.fernglas-astronomie.de\/?page_id=1150\" class=\"more-link\"><span class=\"screen-reader-text\">Supernova Remnants<\/span> weiterlesen <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1128,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1150","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"http:\/\/freebook.fernglas-astronomie.de\/index.php?rest_route=\/wp\/v2\/pages\/1150","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/freebook.fernglas-astronomie.de\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/freebook.fernglas-astronomie.de\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/freebook.fernglas-astronomie.de\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/freebook.fernglas-astronomie.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1150"}],"version-history":[{"count":1,"href":"http:\/\/freebook.fernglas-astronomie.de\/index.php?rest_route=\/wp\/v2\/pages\/1150\/revisions"}],"predecessor-version":[{"id":1151,"href":"http:\/\/freebook.fernglas-astronomie.de\/index.php?rest_route=\/wp\/v2\/pages\/1150\/revisions\/1151"}],"up":[{"embeddable":true,"href":"http:\/\/freebook.fernglas-astronomie.de\/index.php?rest_route=\/wp\/v2\/pages\/1128"}],"wp:attachment":[{"href":"http:\/\/freebook.fernglas-astronomie.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1150"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}