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his two-feet reflector, discovered a satellite,
with retrograde motion, which gave the mass
of the planet about a twentieth of that of
Jupiter.
FOOTNOTES:
[1] Bode’s law, or something like it, had
already been fore-shadowed by Kepler and
others, especially Titius (see Monatliche
Correspondenz , vol. vii., p. 72).
340
