{"id":54736,"date":"2021-05-01T21:43:00","date_gmt":"2021-05-01T18:43:00","guid":{"rendered":"http:\/\/life.karpat.in.ua\/?p=54736"},"modified":"2021-05-01T21:07:54","modified_gmt":"2021-05-01T18:07:54","slug":"megallapitottak-milyen-hosszu-egy-nap-a-venuszon","status":"publish","type":"post","link":"https:\/\/life.karpat.in.ua\/?p=54736&lang=hu","title":{"rendered":"Meg\u00e1llap\u00edtott\u00e1k, milyen hossz\u00fa egy nap a V\u00e9nuszon"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"http:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/04\/vanusz-1024x576.jpg\" alt=\"\" class=\"wp-image-54737\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/04\/vanusz-1024x576.jpg 1024w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/04\/vanusz-300x169.jpg 300w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/04\/vanusz-768x432.jpg 768w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/04\/vanusz.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>B\u00e1r a F\u00f6ld legk\u00f6zelebbi szomsz\u00e9dja, sz\u00e1mos rejt\u00e9ly \u00f6vezi a V\u00e9nuszt. \u00c9veken \u00e1t tart\u00f3 kutat\u00e1sok eredm\u00e9nyek\u00e9nt a Kaliforniai Egyetem Los Angeles-i int\u00e9zm\u00e9ny\u00e9nek (UCLA) tud\u00f3sai meg\u00e1llap\u00edtott\u00e1k a V\u00e9nusz egy napj\u00e1nak pontos hossz\u00e1t, tengely\u00e9nek d\u0151l\u00e9ssz\u00f6g\u00e9t \u00e9s magj\u00e1nak m\u00e9ret\u00e9t. Eredm\u00e9nyeikr\u0151l a Nature Astronomy c\u00edm\u0171 tudom\u00e1nyos foly\u00f3iratban sz\u00e1moltak be.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Az \u00faj radaros m\u00e9r\u00e9sek alapj\u00e1n meg\u00e1llap\u00edthat\u00f3, hogy egy \u00e1tlagos nam a V\u00e9nuszon 243,0226 f\u00f6ldi napig tart, teh\u00e1t egy f\u00f6ldi \u00e9v k\u00e9tharmad\u00e1ig.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A V\u00e9nusz forg\u00e1si sebess\u00e9ge pedig \u00e1lland\u00f3an v\u00e1ltozik &#8211; olvashat\u00f3 a PhysOrg.com tudom\u00e1nyos-ismeretterjeszt\u0151 h\u00edrport\u00e1l.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A v\u00e1ltoz\u00e1sok\u00e9rt val\u00f3sz\u00edn\u0171leg a V\u00e9nusz s\u0171r\u0171 l\u00e9gk\u00f6re tehet\u0151 felel\u0151ss\u00e9. Ahogy a bolyg\u00f3 k\u00f6r\u00fcl mozog, k\u00f6lcs\u00f6nhat\u00e1sba l\u00e9p a szil\u00e1rd talajjal, felgyors\u00edtja, majd lelass\u00edtja forg\u00e1s\u00e1t. Ez a F\u00f6lddel is megt\u00f6rt\u00e9nik, viszont itt ez csak egy milliszekundumos v\u00e1ltoz\u00e1sokat okoz egyik napr\u00f3l a m\u00e1sikra. A hat\u00e1s sokkal dr\u00e1maibb a V\u00e9nuszon, mivel annak l\u00e9gk\u00f6re nagyj\u00e1b\u00f3l 93-szor nagyobb t\u00f6meg\u0171, mint a F\u00f6ld\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Meg\u00e1llap\u00edtott\u00e1k azt is, hogy a V\u00e9nusz pontosan 2,6392 fokkal d\u0151l egyik oldal\u00e1ra.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A m\u00e9r\u00e9sek alapj\u00e1n kisz\u00e1m\u00edthat\u00f3v\u00e1 v\u00e1lt, hogy a bolyg\u00f3 magja mintegy 3500 kilom\u00e9teres, teh\u00e1t a F\u00f6ld\u00e9hez hasonlatos. Azt egyel\u0151re nem tudt\u00e1k meg\u00e1llap\u00edtani, szil\u00e1rd vagy foly\u00e9kony a mag.<br>A V\u00e9nusz a testv\u00e9rbolyg\u00f3nk, m\u00e9gis ismeretlenek voltak sz\u00e1munkra ezek az alapvet\u0151 tulajdons\u00e1gai&#8221; &#8211; mondta Jean-Luc Margot, a UCLA tud\u00f3sa, a kutat\u00e1s vezet\u0151je.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A V\u00e9nuszban \u00e9s a F\u00f6ldben sok a k\u00f6z\u00f6s: mindkett\u0151 szikl\u00e1s bolyg\u00f3, hasonl\u00f3 m\u00e9ret\u0171, t\u00f6meg\u0171 \u00e9s s\u0171r\u0171s\u00e9g\u0171. M\u00e9gis teljesen elt\u00e9r\u0151 m\u00f3don form\u00e1l\u00f3dtak.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Az olyan alapvet\u0151 ismeretek, mint hogy h\u00e1ny \u00f3r\u00e1s egy v\u00e9nuszi nap, fontos inform\u00e1ci\u00f3kkal szolg\u00e1lnak a k\u00e9t bolyg\u00f3 fejl\u0151d\u00e9s\u00e9nek meg\u00e9rt\u00e9s\u00e9hez. A V\u00e9nusz forg\u00e1sa \u00e9s orient\u00e1ci\u00f3ja alapj\u00e1n meg\u00e1llap\u00edthat\u00f3, hogyan oszlik el a t\u00f6mege. A bels\u0151 szerkezet\u00e9r\u0151l sz\u00f3l\u00f3 ismeretek betekint\u00e9st engednek fejl\u0151d\u00e9s\u00e9be, vulkanikus t\u00f6rt\u00e9nelm\u00e9be \u00e9s felsz\u00edne v\u00e1ltoz\u00e1saiba.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A pontos adatok ismeret\u00e9nek hi\u00e1nya ugyanakkor a bolyg\u00f3n a j\u00f6v\u0151beli lesz\u00e1ll\u00e1si k\u00eds\u00e9rletek sor\u00e1n ak\u00e1r 30 kilom\u00e9teres hib\u00e1kat is eredm\u00e9nyezhet.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Forr\u00e1s: origo.hu<\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u00e1r a F\u00f6ld legk\u00f6zelebbi szomsz\u00e9dja, sz\u00e1mos rejt\u00e9ly \u00f6vezi a V\u00e9nuszt. \u00c9veken \u00e1t tart\u00f3 kutat\u00e1sok eredm\u00e9nyek\u00e9nt a Kaliforniai Egyetem Los Angeles-i int\u00e9zm\u00e9ny\u00e9nek (UCLA) tud\u00f3sai meg\u00e1llap\u00edtott\u00e1k a V\u00e9nusz egy napj\u00e1nak pontos hossz\u00e1t, tengely\u00e9nek d\u0151l\u00e9ssz\u00f6g\u00e9t \u00e9s magj\u00e1nak m\u00e9ret\u00e9t. Eredm\u00e9nyeikr\u0151l a Nature Astronomy c\u00edm\u0171 tudom\u00e1nyos foly\u00f3iratban sz\u00e1moltak be. Az \u00faj radaros m\u00e9r\u00e9sek alapj\u00e1n meg\u00e1llap\u00edthat\u00f3, hogy egy \u00e1tlagos nam a [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":54737,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,49,598,39],"tags":[47314,20552,15372],"class_list":["post-54736","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cikkek","category-hirek","category-tudomany","category-vilag","tag-nap-hosszusaga","tag-tudomanyos-felfedezes","tag-venusz"],"_links":{"self":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/54736","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=54736"}],"version-history":[{"count":0,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/54736\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/media\/54737"}],"wp:attachment":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=54736"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=54736"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=54736"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}