Observatory celebrates centennial of 100-inch telescope

PASADENA, Calif. (AP) — Astronomers are celebrating the centennial of the 100-inch (2,540-millimeter) Hooker Telescope at Southern California’s Mount Wilson Observatory . The reflector telescope’s first observations occurred in 1917 on the night of Nov. 1 and into the morning of Nov. 2. At the time it was the world’s most advanced telescope and was […]