A Sign in Space

An art and science project that asks participants to decode the message the ExoMars Trace Gas Orbiter beamed to Earth to simulate first contact with extraterrestrial intelligence.

Tonble
Share X Reddit Bluesky Email
Screenshot of asignin.space

Stumble onto more like this

One click takes you to a page you didn't know you were looking for. Rate it and the next one lands closer to your taste.

Add to Browser — it's free

Works in Chrome, Edge and Brave. No account needed.