there are no snowballs in space
Pluto
It is Pluto
all of the cold ones, so neptune and pluto. by the way, it is not actually snow, it is solid methane mostly.
A lot of comets are composed of a very high percentage of ice with a bit of dust and small rocks mixed in. They are in effect a big snow(ice) ball in space. As these comets approach the sun, the...