This was the second of 14 moons discovered at Neptune. It was also the last one ... However, spectroscopic observations have shown that it has a neutral color and may have water ice on its surface.

Discover the planet that has the most moons. This planet is a ringed giant and the second largest in the solar system.

Located in the farthest reaches of our Solar System, around 30 times as far from the Sun as Earth, Neptune is invisible to ...