The Dark Red World Hiding Beyond Neptune: Gonggong

Snoozy Space · Oct 14, 2026 · 1h 59m

Gonggong may be one of the strangest worlds in the outer Solar System. 🌌

Once nicknamed “Snow White” because astronomers believed it was a bright, icy object, Gonggong turned out to be something very different: a dark red dwarf planet with complex organic chemistry, an unusual orbit, and a small moon named Xiangliu.

In this Snoozy Space documentary, we travel billions of miles beyond Neptune to explore the world that challenged almost every early assumption about it. We’ll trace Gonggong’s discovery in 2007, uncover why its color is so important, examine the chemistry detected by the James…