On This Day In Space: Oct. 25, 1671: Saturn's Yin-Yang Moon Iapetus Discovered by Giovanni Cassini
On Oct. 25, 1671, the Italian astronomer Giovanni Cassini discovered a new moon at Saturn! See how it happened in our On This Day In Space series.
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On Oct. 25, 1671, the Italian astronomer Giovanni Cassini discovered a new moon at Saturn! See how it happened in our On This Day In Space series.
