Rubin Observatoryβs Stunning Result Proves Itβs a βGame Changerβ for Spotting Dangerous Asteroids Gizmodo By:Ellyn Lapointe 28 June 2025 at 10:00 The freshly minted telescope discovered 2,000 previously unknown asteroids in just 10 hours. Weirdly, NASA doesnβt seem to care.