A Telescope That Watches 1 Million Stars Through 26 Eyes — Why ESA's PLATO Is Searching for 'Another Earth'
May 11, 2026ESA's exoplanet-hunting mission PLATO bundles 26 cameras to monitor up to 1 million stars. It aims to measure planetary radii to within 3% and even determine stellar ages. What sets it apart from previous telescopes, and what does it really mean to find an 'Earth-like planet'?