{"id":27514,"date":"2020-08-30T13:36:00","date_gmt":"2020-08-30T10:36:00","guid":{"rendered":"http:\/\/life.karpat.in.ua\/?p=27514"},"modified":"2020-08-29T23:45:15","modified_gmt":"2020-08-29T20:45:15","slug":"svajci-kutatok-a-vilagon-elsokent-figyeltek-meg-nappal-urszemetet","status":"publish","type":"post","link":"https:\/\/life.karpat.in.ua\/?p=27514&lang=hu","title":{"rendered":"Sv\u00e1jci kutat\u00f3k a vil\u00e1gon els\u0151k\u00e9nt figyeltek meg nappal \u0171rszemetet"},"content":{"rendered":"\n

A vil\u00e1gon els\u0151k\u00e9nt siker\u00fclt speci\u00e1lis l\u00e9zerrel napf\u00e9nyben is meg\u00e1llap\u00edtani sv\u00e1jci kutat\u00f3knak nappal \u0171rszemetet \u2013 jelentette a Berni Egyetem p\u00e9nteken.<\/p>\n\n\n\n

\"\"
A F\u00f6ldet k\u00f6r\u00f6lvev\u0151 \u0171rszem\u00e9t (sz\u00e1m\u00edt\u00f3g\u00e9pes illusztr\u00e1ci\u00f3)
FORR\u00c1S: ESA, CC BY-SA 3.0 IGO
<\/figcaption><\/figure>\n\n\n\n

A F\u00f6ld k\u00f6r\u00fcl kering\u0151 \u0171rszemetet folyamatos megfigyel\u00e9s alatt kell tartani, k\u00fcl\u00f6nben \u00f6ssze\u00fctk\u00f6z\u00e9s fenyegeti a bolyg\u00f3 k\u00f6r\u00fcli p\u00e1ly\u00e1n l\u00e9v\u0151 m\u0171holdakat \u00e9s egy\u00e9b \u0171reszk\u00f6z\u00f6ket. Eddig azonban ezt csak az \u00e9jszakai \u00e9gbolton lehetett kivitelezni. Az \u00faj eredm\u00e9nyek r\u00e9v\u00e9n t\u00f6bb m\u00e9r\u00e9si adat \u00e1ll rendelkez\u00e9sre, ami cs\u00f6kkenti a balesetek ar\u00e1ny\u00e1t.<\/p>\n\n\n\n

A megfigyel\u00e9st a Zimmerwaldban l\u00e9v\u0151 Sv\u00e1jci Optikai F\u00f6ldi \u00c1llom\u00e1s \u00e9s Geodinamikai Obszervat\u00f3rium seg\u00edts\u00e9g\u00e9vel v\u00e9gezt\u00e9k j\u00fanius 24-\u00e9n.<\/p>\n\n\n\n

A t\u00e9ma fontoss\u00e1g\u00e1t p\u00e9ld\u00e1zza az a 2009. febru\u00e1r 10-\u00e9n t\u00f6rt\u00e9nt eset, amikor Szib\u00e9ria felett 800 kilom\u00e9terrel az Iridium-33 akt\u00edv telefonos m\u0171hold \u00f6ssze\u00fctk\u00f6z\u00f6tt a m\u00e1r nem m\u0171k\u00f6d\u0151 Kozmosz-2251 kommunik\u00e1ci\u00f3s m\u0171holddal.<\/p>\n\n\n\n

A m\u00e1sodpercenk\u00e9nti 11,7 kilom\u00e9teres sebess\u00e9ggel zajlott \u00fctk\u00f6z\u00e9s hat\u00e1s\u00e1ra keletkezett t\u00f6rmel\u00e9kfelh\u0151ben t\u00f6bb mint 2000 darab, 10 centim\u00e9tern\u00e9l nagyobb r\u00e9szecske keletkezett. Ezek a maradv\u00e1nyok n\u00e9h\u00e1ny h\u00f3napon bel\u00fcl nagy ter\u00fcleten elterjedtek \u00e9s az\u00f3ta tov\u00e1bbi akt\u00edv szond\u00e1kat fenyegetnek \u00fctk\u00f6z\u00e9ssel.<\/p>\n\n\n\n

Egyes r\u00f6pp\u00e1ly\u00e1kon nagy a szem\u00e9t s\u0171r\u0171s\u00e9ge. Az Eur\u00f3pai \u0170r\u00fcgyn\u00f6ks\u00e9g (ESA) flott\u00e1ja \u00e9vente \u00e9s m\u0171holdank\u00e9nt t\u00f6bb ezer \u00fctk\u00f6z\u00e9si figyelmeztet\u00e9st dolgoz fel \u00e9s \u00e9vente t\u00f6bb tucatnyi man\u0151vert v\u00e9gez \u2013 \u00edrj\u00e1k a berni tud\u00f3sok.<\/p>\n\n\n\n

Az \u00fctk\u00f6z\u00e9sek potenci\u00e1lis oka \u00e1ltal\u00e1ban a m\u00e1r ismert 20 ezer \u0171rszem\u00e9t-objektum egyike.<\/p>\n\n\n\n

A berni kutat\u00f3k Satellite Laser Ranging (m\u0171holdak l\u00e9zeres bem\u00e9r\u00e9se) nevet kapott m\u00f3dszere az eddigi n\u00e9h\u00e1ny sz\u00e1z m\u00e9terr\u0151l n\u00e9h\u00e1ny m\u00e9terre pontos\u00edtja a m\u00e9r\u00e9seket.<\/p>\n\n\n\n

\u201eA technik\u00e1t a zimmerwaldi obszervat\u00f3riumban \u00e9vek \u00f3ta haszn\u00e1ljuk arra, hogy speci\u00e1lis l\u00e9zeres retroreflektorokkal rendelkez\u0151 objektumokat bem\u00e9rj\u00fcnk. Eddig vil\u00e1gszerte csak kev\u00e9s obszervat\u00f3riumnak siker\u00fclt, hogy speci\u00e1lis, nagy teljes\u00edtm\u00e9ny\u0171 l\u00e9zerekkel hat\u00e1rozza meg \u0171rszem\u00e9tt\u00e1rgyak t\u00e1vols\u00e1g\u00e1t\u201d\u00a0\u2013 \u00edrja Thomas Schildknecht, a zimmerwaldi int\u00e9zm\u00e9ny vezet\u0151je.<\/p>\n\n\n\n

(MTI\/hirado.hu<\/a>)<\/p>\n","protected":false},"excerpt":{"rendered":"

A vil\u00e1gon els\u0151k\u00e9nt siker\u00fclt speci\u00e1lis l\u00e9zerrel napf\u00e9nyben is meg\u00e1llap\u00edtani sv\u00e1jci kutat\u00f3knak nappal \u0171rszemetet \u2013 jelentette a Berni Egyetem.<\/p>\n","protected":false},"author":5,"featured_media":27515,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4000,41,49,598],"tags":[18325,10611],"class_list":["post-27514","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actual-hu","category-cikkek","category-hirek","category-tudomany","tag-urszemet","tag-vilagur"],"_links":{"self":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/27514","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\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=27514"}],"version-history":[{"count":0,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/27514\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/media\/27515"}],"wp:attachment":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=27514"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=27514"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=27514"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}