{"id":77016,"date":"2024-08-16T17:18:12","date_gmt":"2024-08-16T14:18:13","guid":{"rendered":"https:\/\/minorpostcards.fi\/?post_type=product&#038;p=77016"},"modified":"2026-06-03T18:49:21","modified_gmt":"2026-06-03T15:49:21","slug":"lyyran-rengassumu","status":"publish","type":"product","link":"https:\/\/minorpostcards.fi\/fi\/tuote\/kortit\/lyyran-rengassumu\/","title":{"rendered":"Lyyran rengassumu"},"content":{"rendered":"<p>Lyyran rengassumu eli M57 tai Messier 57 on Lyyran t\u00e4hdist\u00f6ss\u00e4 reilun 2000 valovuoden p\u00e4\u00e4ss\u00e4 maapallolta. Se on muodostunut r\u00e4j\u00e4ht\u00e4neen t\u00e4hden j\u00e4\u00e4nteist\u00e4, jonka keskelle on r\u00e4j\u00e4hdyksess\u00e4 muodostunut valkoinen k\u00e4\u00e4pi\u00f6t\u00e4hti. Sumun l\u00f6ysi l\u00f6ysi vuonna 1779 ranskalainen t\u00e4htitieteilij\u00e4 Antoine Darquier de Pellepoix ja keskustan t\u00e4hden l\u00f6ysi saksalainen t\u00e4htitieteilij\u00e4 Friedrich von Hahn vuonna 1800.<\/p>\n<p>Korttikuva n\u00e4ytt\u00e4\u00e4 teko\u00e4lyn tekem\u00e4lt\u00e4, mutta se on oikeasti James Webb &#8211; avaruusteleskoopin ottama valokuva! Kuva on otettu l\u00e4hi-infrapunan kameralla ja l\u00e4hi-infrapunakuvan v\u00e4\u00e4r\u00e4v\u00e4ritys on valittu muistuttamaan n\u00e4kyv\u00e4n valon kuvaa.<\/p>\n<p>Kuvan alkuper\u00e4 ja k\u00e4sittely: ESA\/Webb, NASA, CSA, M. Barlow, N. Cox, R. Wesson<br \/>\nhttps:\/\/esawebb.org\/images\/weic2320b\/<\/p>\n<p>T\u00e4ss\u00e4 kortissa on kest\u00e4v\u00e4 mattapinnoite. Sen ansiosta kortin pinta tuntuu pehme\u00e4lle, melkein kankaiselle, ja sit\u00e4 voi hypistell\u00e4 vapaasti koska pintaan ei j\u00e4\u00e4 sormenj\u00e4lki\u00e4!<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Postikortti.<\/p>\n","protected":false},"featured_media":77018,"template":"","meta":[],"product_brand":[],"product_cat":[19],"product_tag":[286,304,335],"class_list":["post-77016","product","type-product","status-publish","has-post-thumbnail","product_cat-kortit","product_tag-luonto","product_tag-mattapinta","product_tag-tahdet-ja-astronomia","product_shipping_class-cards","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/minorpostcards.fi\/fi\/wp-json\/wp\/v2\/product\/77016","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/minorpostcards.fi\/fi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/minorpostcards.fi\/fi\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/minorpostcards.fi\/fi\/wp-json\/wp\/v2\/media\/77018"}],"wp:attachment":[{"href":"https:\/\/minorpostcards.fi\/fi\/wp-json\/wp\/v2\/media?parent=77016"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/minorpostcards.fi\/fi\/wp-json\/wp\/v2\/product_brand?post=77016"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/minorpostcards.fi\/fi\/wp-json\/wp\/v2\/product_cat?post=77016"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/minorpostcards.fi\/fi\/wp-json\/wp\/v2\/product_tag?post=77016"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}