Space on MSN11h
OTD In Space – January 7: Galileo Discovers 3 Moons of Jupiter
On January 7, 1610, the Italian astronomer Galileo discovered three of Jupiter's moons: Callisto, Europa and Io. When he ...
On this date: Galileo discovers three major moons of Jupiter
Europa was one of four moons discovered on Jan. 7, 1610, by astronomer Galileo Galilei. Speaking of Galileo, this photo was ...
The Evolution Of The Telescope, From Galileo To Hubble And Beyond
Additionally, Galileo observed Jupiter and noted the presence of a few background stars arranged in a line. When he looked at ...