Astronomers have pinned down the exact time and date that renowned photographer Ansel Adams snapped his ethereal picture, "Autumn Moon," and have determined that the sun, moon and mountains will align in the same positions on Thursday.
The Texas State University astronomers, who have earned a reputation for nailing down historical dates and events, reached their conclusions after poring through celestial history, plotting lunar phases, building a special computer program and calculating shadow angles.
They concluded that Adams snapped the shutter at 7:03 p.m. on Sept. 15, 1948 — not in 1944 as was long believed.
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