The Cosmic Ladder

Scale up from local life to civilization-level extremity.

A path for users who want to think in scale: from planetary life, to stellar engineering, to galaxy-spanning civilizations, to the limits of detectability.

Your trail

Pre-Planetary Alien Civilizationsaliens / civilizations

The Type I Planetary Civilizationaliens / civilizations

Connected through related civilizations

The Kardashev Scalealiens / theories

Connected through related theories

The Type II Stellar Civilizationaliens / civilizations

Connected through related civilizations

Dysonian SETIaliens / theories

Connected through related theories

The Type III Galactic Civilizationaliens / civilizations

Connected through related civilizations

Technosignature Theoryaliens / theories

Connected through related theories

Dyson Swarm Civilizationsaliens / civilizations

Connected through related civilizations

Start the trail