Apollo Moon Mission (1961-1975)
The man who killed Pluto
The man who killed Pluto

The shutters to the dome sheltering the 200-inch telescope on Palomar Mountain open with a clunk. With a steady purr of the two-horsepower motors, the twin panels, 115 tons each, begin to part. A twilight sky slowly breaks over the curved edge. Girders and beams, the optical tube and horseshoe mount emerge like a fantastic engraving from the past imagining the future. But Mike Brown — Pluto slayer, dwarf-planet hunter — has little time for wonder. He booked his time on the telescope seven months ago and has a schedule to keep. Tonight and tomorrow he hopes to photograph about 30 objects in space between Jupiter and Neptune, and he's worried. Sitting in the observing...