Every other planet has moons. Both Earth and Mars have confirmed ... Iapetus is famous for its unique two-toned surface, where one side of its hemisphere is extremely dark, whereas the other ...

With two small moons orbiting the Red Planet ... meaning it moves in the opposite direction. The dwarf planet Pluto has five moons of its own with neat names like Styx, Nix, and Hydra. Its largest ...

Mars, the fourth planet from the sun ... a radius of 930 to 1,300 miles (1,500 to 2,100 km). Mars has two small, potato-shaped moons, called Phobos and Deimos. These moons are named for two ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The ringed gas giant Saturn has officially replaced Jupiter as the ...

However, objects captured in orbit tend to have elongated, inclined and sometimes retrograde trajectories around their new parent planet ... coalesced into the two moons.

A team using the telescope atop Mauna Kea in Hawaii has just discovered 128 new moons orbiting Saturn. Saturn, the sixth planet from the sun, was already the reigning champion of moon-having.

Since a moon isn’t human-made, it’s a natural satellite. Currently, there are two main theories for why some planets have moons. Moons are either gravitationally captured if they are within what’s ...

Since a moon isn’t human-made, it’s a natural satellite. Currently, there are two main theories for why some planets have moons. Moons are either gravitationally captured if they are within ...