Visible in the early-morning sky today, Saturn’s two-toned moon Iapetus reaches superior conjunction just 1.4′ due south of Saturn. The proximity makes the now-11th-magnitude moon easier to find, as ...
On March 25, 1655, Dutch astronomer Christiaan Huygens pointed his 50-power refracting telescope toward Saturn. He and his brother had been perfecting telescope-building techniques, including making ...