Unterwegs zu einem neuen Planeten - Leben im All (2/4) | Doku HD Reupload | ARTE

ARTEde December 18, 2025
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Herzlich Willkommen auf dem ARTE-YouTube Kanal. Hier findet ihr täglich spannende Dokumentationen und Formate wie "Mit offenen Karten", "42, die Antwort auf fast alles", "Stimmt es, dass..." und mehr. Netiquette Wir freuen uns über eure Kommentare, Anregungen, Fragen und Meinungen und wünschen uns einen konstruktiven Austausch auf sachlicher Ebene mit freundlichem und respektvollem Umgangston. Um dies zu gewährleisten, werden wir Kommentare und Nachrichten, mit folgenden Inhalten löschen: - Beleidigungen, Diskriminierungen, Sexismus, Rassismus, Bedrohungen oder Hetze/Hasspropaganda aller Art - Aufforderungen zu Gewalt aller Art - Fake News - Irreführender Aufruf zu Spenden - Werbung und Spambotschaften - Wahl- und Parteienwerbung aller Art - Pornografie und Obszönitäten - Verletzungen von Rechten Dritter - Irreführende Links - Inhalt-/Kanalfremde Kommentare ohne erkennenswerten Beitrag für den Austausch/die Diskussion

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Wann wagt die Menschheit den Schritt in den interstellaren Raum? Für die Wissenschaft scheint die Zeit gekommen, erstmals ein Raumschiff zu einem Exoplaneten zu schicken. Reisen über die Grenzen unseres eigenen Sonnensystems hinaus sind nicht vergleichbar mit einem etwas länger dauernden Mondflug, da die Distanzen im interstellaren Raum nahezu unvorstellbar groß sind. Seit jeher haben wir unsere Augen zum Himmel erhoben und dort nach Göttern, Zeichen und Antworten gesucht. Das Universum war für die Menschheit lange Zeit eine unzugängliche und geheimnisvolle Welt. Bis wir begannen, es mit Teleskopen und Raumsonden zu erforschen und einen Teil seiner Geheimnisse zu lüften. Unser Wissensdurst führte uns bald auch zu unseren Nachbarplaneten. Seit den 60er Jahren sind wir mit zahlreichen Weltraummissionen immer weiter in unser Sonnensystem vorgedrungen. Bis wir an seine Peripherie gelangten: Am 14. Juli 2015 passierte die Sonde „New Horizons“ den Zwergplaneten Pluto und zeigte uns die Landschaften dieser Terra incognita. Die Erforschung des Weltraums steckt noch in den Kinderschuhen: 1995 revolutionierte die Entdeckung des ersten Exoplaneten die Astronomie und eröffnete ein völlig neues Forschungsgebiet. Seither wurden Tausende von extrasolaren Planeten entdeckt. Ihre Größe, Zusammensetzung und Atmosphäre sorgen immer wieder für Überraschungen. Doch Astronomen begnügen sich nicht mehr damit, sie zu zählen, sie wollen die Galaxie nach einem erdähnlichen Planeten absuchen. Einem lebensfreundlichen Planeten, der seinen Stern in der richtigen Entfernung umkreist, so dass es auf seiner Oberfläche flüssiges Wasser geben könnte. In den vergangenen 20 Jahren haben Raumsonden nicht nur Pluto passiert, sondern auch das Saturn- und Jupiter-System erforscht. Sogar eine bemannte Mission zum roten Planeten Mars ist geplant. Die Dokumentation wirft einen Blick in die Zukunft der Raumfahrt: Um den imaginären erdähnlichen Exoplaneten Minerva B zu erreichen, müssten 4,5 Lichtjahre in weniger als 50 Jahren zurückgelegt werden. Dafür müsste ein Raumschiff von gigantischen Ausmaßen entwickelt werden, das nicht mehr von der Erde aus gesteuert wird, sondern von einer künstlichen Intelligenz an Bord, deren Navigationstechnik den Herausforderungen einer solchen interstellaren Reise gewachsen ist. Dokureihe, Regie: Vincent Amouroux (F 2018, 53 Min) #weltall #universum #doku Video verfügbar bis zum 03/05/2026 Link zur Mediathek: https://www.arte.tv/de/videos/051146-002-A/leben-im-all-2-4/ Abonniert den Youtube-Kanal von ARTE:  http://www.youtube.com/user/ARTEde Folgt uns in den sozialen Netzwerken: Facebook: http://www.facebook.com/ARTE.tv Twitter: https://twitter.com/ARTEde Instagram: https://www.instagram.com/arte.tv/

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