The Royal Society
On this day in 1671, astronomer Giovanni Cassini first observed Saturn’s moon Lapetus. Lapetus is a strange beast, with one light hemisphere and one dark hemisphere, and a huge equatorial ridge of some of the Solar System’s tallest mountains.
6 days ago | [YT] | 314
The Royal Society
On this day in 1671, astronomer Giovanni Cassini first observed Saturn’s moon Lapetus. Lapetus is a strange beast, with one light hemisphere and one dark hemisphere, and a huge equatorial ridge of some of the Solar System’s tallest mountains.
6 days ago | [YT] | 314