Italian astronomer Giovanni Cassini discovered Iapetus, Saturn’s third-largest moon.
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The Cassini–Huygens spacecraft became the first to enter Saturn's orbit.
Astronomer Richard Walker discovered Saturn's moon, Epimetheus.
A conjunction of Sun, Mercury, Venus, Mars, Jupiter, Saturn, and the Moon occurred.
NASA launched the Pioneer 11 space probe to study the asteroid belt & the environment around Jupiter and Saturn.
The European Huygens space probe lands on Saturn's moon Titan.