The game contains 18,446,744,073,709,551,616 planets. That is over 18 quintillion.
The planets, animals, animal sounds, ships, and music were procedurally generated from an algorithm.
Developers Hello Games stated that if you were to visit each planet for one second and immediately went to the next, it would take you until after the sun (in real-life) burnt out to visit them all.
There are no loading times throughout the game.
Developed by Hello Games. A game company that started in a garage.