Urban Dictionary: Definitions by Spacelover123

Theia

A Mars sized planet that collided with Earth, forming the Moon.

A Mars sized planet named Theia collided with Earth and formed the Moon.

Theia by Spacelover123 September 15, 2026

Guy 1: Hey, sonion ring!
Guy 2: BRO WHAT IM NOT A SONION RING

Betelgeuse

A planet that got kicked out of our own solar system because of the Grand Tack

Planet X by Spacelover123 September 15, 2026

A star system where Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune orbit around the Sun

We’re in the habitable zone of the solar system.