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Viruses are the most common biological entities on our planet. The question of when and in what context the first precursors of viruses arose on Earth is still completely unanswered. The astrobiologist Aleksandar Janjic presents the three most common hypotheses and clearly shows why the emergence of viruses could be very closely linked to the origin of life itself. Are viruses perhaps even precursors of life? The virus-first hypotheses therefore influence not only the terrestrial models but also the search for extraterrestrial life in the solar system. Big Bang, space and life (www.urknall-weltall-leben.de) Scientists explain science Do you still have questions? ► https://urknall-weltall-leben.de/frag... Book about the channel ► Live lectures ► https://www.josef-gassner.de/veransta... Our team ► https://Urknall-Weltall-Leben.de/team Newsletter ► https://Urknall-Weltall-Leben.de/News... Instagram ► / urknall.weltall.leben Donation ► https://josef-gassner.de/spenden.html Many thanks to everyone who supports our project!