Giovanni Battista Riccioli
Giovanni Battista Riccioli,
SJ (17 April 1598 – 25 June 1671) was an Italian
astronomer and a
Catholic priest in the
Jesuit order. He is known, among other things, for his experiments with
pendulums and with falling bodies, for his discussion of 126 arguments concerning the motion of the Earth, and for introducing the current scheme of
lunar nomenclature. He is also widely known for discovering the first double star. He argued that the rotation of the Earth should reveal itself because on a rotating Earth, the ground moves at different speeds at different times.
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