{"id":8006,"date":"2026-09-23T08:57:48","date_gmt":"2026-09-23T06:57:48","guid":{"rendered":"https:\/\/kosmos-os.de\/?page_id=8006"},"modified":"2026-10-23T07:58:17","modified_gmt":"2026-10-23T05:58:17","slug":"grundlagen-der-astronomie-astrophysik-und-optik","status":"publish","type":"page","link":"https:\/\/kosmos-os.de\/en\/grundlagen-der-astronomie-astrophysik-und-optik\/","title":{"rendered":"Grundlagen der Astronomie"},"content":{"rendered":"<p class=\"wp-block-paragraph\">At some point, the occupation with astronomy always leads to the limits of understanding physical relationships. If you want to understand relationships, you have to be prepared to deal with the basics of physics or chemistry. Since we amateur astronomers feel the same way, we would like to describe some physical basics and methods in more detail on the following pages. In doing so, the repeatedly asked questions of the visitors of our <a href=\"https:\/\/kosmos-os.de\/en\/termine\/aktivitaeten\/\" target=\"_blank\" rel=\"noopener\"><strong>Activities <\/strong><\/a>which we then try to explain as simply as possible.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Since we do not always have illustrative objects or didactically meaningful models available, we would like to take a closer look at some fundamental questions of astronomy on these pages.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n<ul class=\"wp-block-latest-posts__list alignwide wp-block-latest-posts has-large-font-size is-layout-flow wp-block-latest-posts-is-layout-flow\"><li><div class=\"wp-block-latest-posts__featured-image alignright\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/kosmos-os.de\/wp-content\/uploads\/2026\/10\/image-10-150x150.png\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"Bei unseren Sternstunden haben wir in der Regel unterschiedliche Arten von Teleskopen aufgebaut, mit denen wir die Himmelsobjekte beobachten. Oft werden wir dabei gefragt, wie stark die Vergr\u00f6\u00dferung der Ger\u00e4te ist und ob man nicht die von den Apollo Missionen der J-Klasse (Apollo 15, 16 und 17) auf dem Mond zur\u00fcckgelassenen Fahrzeuge sehen k\u00f6nnte. Eine gute Idee eigentlich, wo doch kleine Objekte im Teleskop vergr\u00f6\u00dfert abgebildet werden. Doch ganz so einfach ist das nicht...\" style=\"\" \/><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/kosmos-os.de\/en\/was-genau-macht-eigentlich-ein-teleskop\/\">What exactly does a telescope do?<\/a><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image alignright\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/kosmos-os.de\/wp-content\/uploads\/2024\/09\/radiotel_en-150x150.png\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/kosmos-os.de\/en\/radioastronomie-was-ist-das-eigentlich\/\">Radio astronomy \u2013 what is it actually?<\/a><\/li>\n<\/ul>\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"has-large-font-size wp-block-paragraph\"><strong>Tools for visualization of astronomical basics<br><\/strong><\/p>\n\n\n\n<p class=\"has-large-font-size wp-block-paragraph\"><a href=\"https:\/\/kosmos-os.de\/en\/rayleigh-kriterium-rechner\/\" data-type=\"page\" data-id=\"8068\">Rayleigh criterion calculator<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Die Besch\u00e4ftigung mit Astronomie f\u00fchrt irgendwann immer an die Grenzen des Verst\u00e4ndnisses physikalischer Zusammenh\u00e4nge. Wenn man Zusammenh\u00e4nge verstehen m\u00f6chte, muss man bereit sein, sich mit den Grundlagen der Physik oder Chemie zu besch\u00e4ftigen. Da es uns Amateur Astronomen ganz genauso geht, wollen wir auf den folgenden Seiten einige physikalische Grundlagen und Methoden n\u00e4her beschreiben. Dabei [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_eb_attr":"","footnotes":""},"class_list":["post-8006","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/kosmos-os.de\/en\/wp-json\/wp\/v2\/pages\/8006","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kosmos-os.de\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/kosmos-os.de\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/kosmos-os.de\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kosmos-os.de\/en\/wp-json\/wp\/v2\/comments?post=8006"}],"version-history":[{"count":10,"href":"https:\/\/kosmos-os.de\/en\/wp-json\/wp\/v2\/pages\/8006\/revisions"}],"predecessor-version":[{"id":8317,"href":"https:\/\/kosmos-os.de\/en\/wp-json\/wp\/v2\/pages\/8006\/revisions\/8317"}],"wp:attachment":[{"href":"https:\/\/kosmos-os.de\/en\/wp-json\/wp\/v2\/media?parent=8006"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}