Hans Lippershey invents the refracting telescope, which Galileo Galilei soon puts to use. (1 Mai 1608 Jahr – 1 Okt 1608 Jahr)

Beschreibung:

In 1608, Dutch telescope manufacturer Hans Lippershey created the first refracting telescope. It was made up of a convex and concave lens inside of a tube, and when used together, these two lenses magnified the original object three or four times.

source: https://www.loc.gov/collections/finding-our-place-in-the-cosmos-with-carl-sagan/articles-and-essays/modeling-the-cosmos/galileo-and-the-telescope/

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