On this date, Jan. 7, 1610, astronomer Galileo Galilei ... Jupiter. Initially believing they were distant stars, Galileo’s repeated observations over several nights and realized they were moons ...
Galileo Galilei – often referred ... and IV based on their distances from Jupiter. While the numeral convention surely didn’t stand the test of time, these Jovian moons are still referred ...
On this date, Jan. 17, 2002, the Galileo probe made it’s 33 rd pass of Jupiter’s moon, Io. After Voyager 1’s pass in 1979, Io was dubbed the most volcanically active place in the solar system.
New findings from NASA's Juno probe provide a fuller picture of how widespread the lava lakes are on ... when Galileo Galilei first discovered the Jovian moon, which is slightly larger than ...