'Until 1974, the 200-inch Hale Telescope on this California mountain was the world's largest reflector'
Mt. Palomar
ASTRONOMY: Until 1974, the 200-inch Hale Telescope on this California mountain was the worlds largest reflector
Until 1974, the 200-inch Hale Telescope on this California mountain was the world's largest reflector
Until 1974, the 200-inch Hale Telescope on this California mountain was the world's largest reflector
ASTRONOMY
Mt. Palomar
ASTRONOMY