A huge part of the Solar System is just made of ice. There are comets, rings, moons and even dwarf planets. Where did all this ice come from, and what impact has it had for life on Earth?

A huge part of the Solar System is just made of ice. There are comets, rings, moons and even dwarf planets. Where did all this ice come from, and what impact has it had for life on Earth?
The outer Solar System is far enough from the Sun that water doesn’t get blasted away into deep space. In this icy realm, there are many worlds with vast quantities of water ice. Today let’s look at the icy outer moons and dwarf planets.
After Pluto lost its planethood we were down to 8 planets. But there’s growing evidence of another world or worlds out beyond the orbit of Pluto. Is Planet 9 out there and how will we find it? Could there even be a Planet 10?
Rounding up the astronomy news this month with @AwesomeAstroPod. We have interstellar comet, Hygiea as dwarf planet, Saturn’s ring & November Skyguide.
A new member joining the dwarf planet family very soon – an object called 2014 UZ 224 and nicknamed ‘DeeDee’, short for Distant Dwarf.