90 Years Of Pluto Discovery
"Pluto shining on the crescent moon" NASA, New Horizons.
Posts
Jupiter And Galileo Satellites
Today is the day of discovery of "Galileo satellite". Galileo Galilei discovered the planet Jupiter and its four biggest moons (Io, Europa, Ganymede, and Callisto) on January 7th, 1610 with the help of binoculars.