Neptune has 16 known moons. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Neptune has 16 moons, all named after various sea gods and ...

These 5 Neptune Facts Blew My Mind. Story by Nick Lewis • 1w. S pace is loaded with strange things—black holes, pulsars, gigantic clouds of alcohol, and more weird planets than you could count.

Neptune is an ice giant, with water, methane, and ammonia swirling over a small rocky core. Photo Credit: NASA Its atmosphere is mostly hydrogen, helium, and methane, giving it a deep blue colour.