There are currently 92 moons known to orbit Jupiter. The four largest – Io, Europa, Ganymede and Callisto – were discovered by Galileo Galilei in 1610 when he pointed the first astronomical telescope ...
Astronomers studying data from the Juno spacecraft discovered a volcanic hot spot in the Southern Hemisphere of Jupiter’s moon Io. The volcanic region belches out eruptions six times the total energy ...
NASA's $1.1 billion Juno spacecraft has been studying Jupiter and its moons since 2016. The mission, which had been extended, will finally end in September 2025 as the spacecraft swirls into the ...
Using his celestial observations, including the discovery of Jupiter’s satellites, Galileo came up with a book titled Siderius Nuncius (The Starry Messenger) in March 1610. In this work ...
Ice moons such as Jupiter’s Europa and Saturn’s Enceladus ... which is roughly a quarter the diameter of Earth—and its surface is covered by a thick ice shell estimated to be about 3 to ...