Pick·er·ing 
(pĭkər-ĭng), Edward Charles 1846-1919.
(pĭkər-ĭng), Edward Charles 1846-1919. American astronomer noted for his work on stellar photometry. His brother William Henry Pickering (1858-1938) discovered Phoebe, the ninth moon of Saturn (1899), and predicted the existence of Pluto (1919).