3c Palomar Mountain Observatory single
This Palomar Mountain Observatory Issue stamp depicts the Palomar Observatory located in the Palomar Mountain Range near San Diego, California. The observatory is owned and operated by the California Institute of Technology. At the time of its dedication in 1948, it housed the largest telescope in the world at the time, the Hale Telescope.
United States; California; San Diego; Palomar; mountain; observatory; telescope; space; astronomy; science