⟳ Репост от Dr. Laci Brock 🪐
On this day in 1928, Dr. Vera C. Rubin was born 🔭🧪 At 14, she built her first telescope out of a cardboard tube. Her work provided the first convincing evidence of dark matter, & scientists' quest to understand dark matter led to the idea that became NSF–DOE Rubin Observatory 🌌