Science on the 7th of January 1610 in history

Science

Date	Type	Text
07 Jan 1610 Galileo Galilei	science	Galileo Galilei (astronomy) Galileo Galilei first observes the four large Galilean moons of Jupiter: Ganymede, Callisto, Europa and Io, although he is unable to distinguish the latter two until the following day. In the same year he publishes his first observations by telescope in a short treatise entitled Sidereus Nuncius ("Sidereal Messenger").	0

6th January 1610 8th January 1610

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Science on the 7th of January 1610 in history

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