📅 25 March 1655
Christiaan Huygens detected the first known moon of Saturn through a telescope.
📅 25 March 1655
Observations of a small nearby object laid the groundwork for identifying an orbiting moon.
📅 25 March 1655
Titan's detection revealed that Saturn, like Jupiter, has a substantial family of orbiting objects.
📅 25 March 1655
Huygens's observational work linked improvements in telescopes with discoveries beyond Earth.
