A CuriousYY spaceflight experiment
Relativity Voyager
One voyage. Two clocks. A changing sky.
Checking the free trial…Start flying →
No email, account or card. No automatic charge.
Solar system · Real star catalogue · Relativistic light and clocks
Your voyage and photos stay in this browser on this device. Clearing site data removes them; they do not sync between devices.
An educational simulation with freely adjustable speed. Planet sizes, navigation markers and some astronomical scenes are illustrative; model notes and data sources are available in the game.