In 1813 Mbius travelled to Gttingen where he studied astronomy under Gauss Gauss was the director of the Observatory in Gttingen but of course the greatest mathematician of his day so again Mbius studied under an astronomer whose interests were mathematical

Can you repeat this sentence, but add in punctuation?
In 1813 Mobius travelled to Gottingen where he studied astronomy under Gauss . Gauss was the director of the Observatory in Gottingen but of course the greatest mathematician of his day, so again Mobius studied under an astronomer whose interests were mathematical.