Choose your target
Where will your message go?
Every Cosmic Echo transmission is aimed at real celestial coordinates — a star, a galaxy, or deep space. Pick a destination, write your message, and we broadcast it as a radio signal.
Choose your target
Every Cosmic Echo transmission is aimed at real celestial coordinates — a star, a galaxy, or deep space. Pick a destination, write your message, and we broadcast it as a radio signal.
Our nearest large galactic neighbor — a trillion stars.
The closest star system to Earth. Coming Q4 2026.
The brightest star in Earth's night sky — the Dog Star.
A nearby Sun-like star — classic SETI target with exoplanets.
Summer Triangle star — bright, fast-spinning, naked-eye.
Seven Earth-sized worlds. Three in the habitable zone.
A dying red supergiant — one of the sky's giants.
The Seven Sisters. One of the most famous clusters.
The North Star — humanity's ancient guide.
The star from Contact. Bright, close, iconic.
The supermassive black hole at the Milky Way's center.
No target star — into the void between galaxies.