{"id":1076,"date":"2009-12-21T13:17:00","date_gmt":"2009-12-21T12:17:00","guid":{"rendered":"https:\/\/kids.esa.int\/rosetta_comes_home_for_final_earth_flyby\/"},"modified":"2026-10-08T00:35:41","modified_gmt":"2026-10-07T22:35:41","slug":"rosetta_comes_home_for_final_earth_flyby","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/de\/rosetta_comes_home_for_final_earth_flyby\/","title":{"rendered":"Rosettas Heimkehr zum letzten Erdvorbeiflug"},"content":{"rendered":"<div class=\"lede\">\n<p>5\u00bd Jahre nach seinem Start von Franz\u00f6sisch-Guayana ist der ESA-Kometenj\u00e4ger Rosetta auf einen Sprung nach Hause zur\u00fcckgekehrt. Am Morgen des 13. November best\u00e4tigte das Raumflugkontrollzentrum in Darmstadt den erfolgreichen Abschluss des letzten Erdvorbeiflugs von Rosetta.<\/p>\n<\/div>\n<p>Mit einer Geschwindigkeit von 13,34 km\/s flitzte die Raumsonde in 2.481 km H\u00f6he an unserem Planeten vorbei. Zur dichtesten Ann\u00e4herung kam es um 08:45:40 Uhr MEZ unmittelbar s\u00fcdlich der indonesischen Insel Java. Dieser vierte Planetenvorbeiflug verlieh dem drei Tonnen schweren Weltraumforscher die n\u00f6tige Energie f\u00fcr die Durchquerung des Asteroideng\u00fcrtels und das geplante Rendezvous mit dem Kometen Churyumov-Gerasimenko.<\/p>\n<figure class=\"wp-block-image size-natural\" data-width=\"400\" data-credit=\"ESA (Animation by M. Graf)\" data-detail-url=\"https:\/\/www.esa.int\/Media\/Animations\/Rosetta_v31_Embrgo_untill_13Nov2009\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/media\/animations\/rosetta_v31_embrgo_untill_13nov2009\/6692-5-eng-GB\/Rosetta_v31_Embrgo_untill_13Nov2009.jpg\" alt=\"\"><\/figure>\n<p>Rosetta may also help to solve a long-standing mystery. Over the years, some spacecraft (including Rosetta) have experienced a tiny \u2013 but unexpected &#8211; change in speed as they fly past Earth. So far, no one has come up with a good explanation.<\/p>\n<p>Den Vorbeiflug nutzten die Wissenschaftler dazu, einige der Instrumente an Bord von Rosetta einzuschalten. Auf fr\u00fchen Bildern war eine d\u00fcnne Sichel zu sehen, die immer gr\u00f6\u00dfer wurde, je mehr sich die Sonde auf die Erde zu bewegte. Sp\u00e4tere Aufnahmen zeigten Gro\u00dfstadtlichter in der Nacht und Wolkenwirbel \u00fcber Nordamerika und dem Pazifik. Mit anderen Instrumenten wurden Untersuchungen der Erdatmosph\u00e4re und des Magnetfelds durchgef\u00fchrt und es wurde nach Wasser auf dem Mond Ausschau gehalten.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1355\" data-credit=\"ESA \u00a92009 MPS for OSIRIS Team MPS\/UPD\/LAM\/IAA\/RSSD\/INTA\/UPM\/DASP\/IDA\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2009\/11\/First_view_as_Rosetta_approaches_home2\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2009\/11\/first_view_as_rosetta_approaches_home2\/17902197-2-eng-GB\/First_view_as_Rosetta_approaches_home.png\" alt=\"First view as Rosetta approaches home\"><figcaption>First view as Rosetta approaches home<\/figcaption><\/figure>\n<p>Rosetta hat nun rund 4.500 Millionen km ihrer 7.100 Millionen km langen Reise zum Kometen hinter sich gebracht. Mit dem letzten Erdvorbeiflug konnte Rosetta ihre Geschwindigkeit um 3,6 km\/s erh\u00f6hen und wurde mit Schwung in das \u00e4u\u00dfere Solarsystem katapultiert. Die n\u00e4chste Verabredung w\u00e4hrend des 10 Jahre dauernden Flugs ist der f\u00fcr Juli 2010 vorgesehene Vorbeiflug an einem gro\u00dfen Asteroiden namens Lutetia. Anschlie\u00dfend wird Rosetta in den Ruhemodus geschaltet und erst im Fr\u00fchjahr 2014 wieder aufgeweckt.<\/p>","protected":false},"excerpt":{"rendered":"<p>5\u00bd years after lift off from French Guiana, ESA\u2019s Rosetta comet chaser has returned home for a brief, flying visit. On the morning of 13 November, controllers at the Space [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2008\/08\/rosetta_spacecraft5\/17879662-2-eng-GB\/Rosetta_spacecraft.jpg","esa_banner_description":"Rosetta spacecraft","esa_banner_credit":"ESA - J. 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