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Today In History (January 7 1610)

Posted: Sun Jan 07, 2024 9:20 pm
by AustrianPainter
TODAY IN HISTORY
IMG_3007.jpeg
IMG_3007.jpeg (86.55 KiB) Viewed 353 times
1610: Galileo Galilei makes his first observation of the four Galilean moons: Ganymede, Callisto, Io, and Europa.

Re: Today In History (January 7 1610)

Posted: Sun Jan 07, 2024 11:01 pm
by fluxmaster
That's some awfully great resolution! This is how it actually looked in Galileo's telescope.