Io is Jupiter's third-largest moon, spanning roughly 2,300 miles (3,700 kilometers) across, which makes it slightly bigger than Earth's moon. It orbits Jupiter at a distance of around 262,000 ...
The moon will pass closely by Jupiter this evening (Jan. 10), meeting up with the gas giant in the constellation Taurus. The moon will pass closely by Jupiter this evening (Jan. 10), meeting up ...