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Tógann sé níos lú ná 1 nóiméad chun Cláraigh a dhéanamh ansin is féidir leat taitneamh a bhaint as Teidil Scannáin & Teilifíse Neamhtheoranta.

PBS Space Time

PBS Space Time - Season 2019 Episode 39

26:14 nóiméad 2024 HD

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Since the dawn of humanity around 100 billion people have lived. How many will live in the future of our species? We might hope for a trillion times that if we colonize the galaxy. But a simple statistical argument tells us that the doom of our species is much, much closer.

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