[Pigo]

Titan is actually larger than Mercury. Just something I learned yesterday while reading Cassini posts. It really puts the size of Saturn into perspective.

[dmoy]

Mercury is also real damn small. Just a tiny bit bigger than Earth's moon.

[FreeFull]

Titan is larger, but also significantly less dense. Mercury is more massive than Titan.

[craftyguy]

Mercury is pretty much just a leftover iron core