# space_history galileo otd jupiter callisto europa io alan_bean moon apollo skylab artist from_imagination_to_reality from_reality_to_imagination apollo50 steam

A very important day in space history:

pioneered the use of the telescope for observing the night sky, and in 1610 he discovered three of Galilean moons and

https://t.co/oa32A3hGEE

9 17
2020-01-07

Remembering today who walked on the on 12, commanded the 2nd crew & became an who painted the extraordinary worlds & sights he'd seen. 🚀🌖

then

40 133
2019-05-27