Phoebe
PHOEBE, in astronomy, the ninth satellite of Saturn in order of discovery, or the tenth and outermost now known in xxi. 15 the order of distance. It was discovered by W. H. Pickering in 1899 by photographs of the stars surrounding Saturn. It is remarkable in that its motion around the planet is retrograde. (See SATURN.)
Note - this article incorporates content from Encyclopaedia Britannica, Eleventh Edition, (1910-1911)