New comets are being discovered all the time.
That means there are still comets that we don't know about.
That means we don't know which is the largest one.
The question is a lot like asking "What is the highest number ?", or "Where do you find the biggest fish ?",
or "Who will be the oldest person ?"
Galileo discovered Jupiter's four largest moons, including Ganymede, the largest.
Galileo discovered Jupiter's 4 largest moons, the Galilean moons. The largest moon's name is Ganymede.
Pluto's largest moon, Charon, was discovered in 1978
Giuseppe Piazzi discovered Ceres, the first and largest asteroid.
The largest discovered measured 18"
The largest one.
So far, Jupiter is the largest planet in our solar system.
NASA found out that the largest moon of Saturn is Titan.
Christian Huygens discovered titan on March 25th, 1655
Liopleurodon was 25 meters long - the largest predator ever discovered
Christiaan Huygen
Christian Hugyens