The first planet Kepler spotted has finally been confirmed 10 years later

Astronomers had dismissed the exoplanet candidate as a false alarm

Kepler 1658b

THE ONCE AND FUTURE PLANET  The Jupiter-sized planet Kepler 1658b, which may resemble this artist’s illustration, had been discarded as a potential exoplanet. But after measuring sound waves bouncing around its host star (orange lines), astronomers say the world is real.

Gabriel Pérez Díaz/Instituto de Astrofísica de Canarias

A decade after being found, the first exoplanet candidate spotted by the Kepler space telescope has been confirmed as a real world.