The European Space Agency's (ESA) Gaia mission has spotted potential moons around more than 350 asteroids not known to have a companion. Previously, Gaia had explored asteroids with moons — so-called ‘binary asteroids’ — and confirmed that the telltale signs of these tiny moons show up in the telescope’s ultra-accurate astrometric data. But this new finding proves that Gaia can conduct ‘blind’ searches to discover completely new candidates, too.





