How big is the Universe?

How big is the Universe?

Video September 08, 2022
© Haus der Astronomie

According to a widespread idea, the Universe is infinitely large. However, this model cannot really be rigorously verified. The lecture will convey the state of knowledge of astronomy on this topic and discuss in particular how large the observable range of the accelerated expanding Universe is in principle. The sophisticated methods astronomers use to measure distances in the Universe will be explained.

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