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moons was the last word in this connection
until September 9th, 1892, when Barnard,
using the 36-inch refractor of the Lick Ob-
servatory, detected a tiny spot of light closely
following the planet. This proved to be a
new satellite (fifth), nearer to the planet
than any other, and revolving round it in
11h. 57m. 23s. Between its rising and
ˆ
setting there must be an interval of 2A Jo-
526
