Annie Jump Cannon
Annie Jump Cannon (11 Desemba 1863 – 13 Epril 1941) i bin wan wuman blong Astronomi. Em mo Edward C. Pickering bin mekem wan sistem blong klasifae ol sta. Nem blong sistem ia Harvard Classification Scheme.
Annie Jump Cannon (11 Desemba 1863 – 13 Epril 1941) i bin wan wuman blong Astronomi. Em mo Edward C. Pickering bin mekem wan sistem blong klasifae ol sta. Nem blong sistem ia Harvard Classification Scheme.