VRubinObs, 19 days ago

When you finally get that shiny coating you wanted.... 🤩

Rubin Observatory's 8.4-meter mirror is officially, finally, a mirror! In a 4.5-hour process, the glass got its protected silver coating—and one step closer to being able to #CaptureTheCosmos

🔗: https://rubinobservatory.org/news/coating-primary-mirror