

A galaxy is a collection of stars, gas, and dust bound together by gravity, often with a supermassive black hole at the center.

On June 28, 2023, evidence for a signal generated from all supermassive black hole pairs from across the universe was announced by the North American Nanohertz Observatory for Gravitational Waves. Colliding planets is just one of the cosmic-scale possibilities in Universe Sandbox 2, a game that simulates Newtownian physics, climates, black holes and dark. Galaxy Edit A Galaxy in Universe Sandbox is a group of simulated objects, specifically Galaxy Nebula objects orbiting a Black Hole, that together represent an actual galaxy, or a new galaxy created by the user.
