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The Galilean Moons of Jupiter

  • Jan GuichelaarEmail author
Chapter
Part of the Springer Biographies book series (SPRINGERBIOGS)

Abstract

There are reports earlier than the year 1600, even Chinese reports from before the Christian era, of observations with the naked eye of the two largest moons of Jupiter: Ganymedes and Callisto. But only with the arrival of the telescope reliable observations were possible. Hans Lippershey (c 1570–1619) and Sacharias Jansen (c 1585–1632), two Dutch lens grinders from Middelburg in the province of Zeeland, made the first telescopes. They were telescopes with a positive objective (convex lens) and a negative eyepiece (concave lens), later called a Dutch telescope. Lippershey received the credits for the invention, because his telescope is the first which was well documented.

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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  1. 1.AmsterdamThe Netherlands

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