On March 25, 1655, Saturn's moon Titan was discovered by the Dutch scientist Christiaan Huygens (a name that you've probably heard mispronounced as "Hoy-gens"). Titan is the largest moon of Saturn ...

[Christiaan Huygens] was a pretty decent mathematician and scientist by the standards of the 17th century. However, the telescopes he built were considered to be relatively poor in quality for the ...