Tom Ruen 𝕏?! on X: "Here's some quick size comparison of soon to be known Ultima Thule and the 4 smaller moons of Pluto. Pinkish Nix was photographed from 165,000 km away,
486958 Arrokoth - Wikipedia
Ultima Thule - Wiktionary, the free dictionary
File:Ultima Thule Comes into Focus (Raw).png - Wikimedia Commons
Ultima Thule | DC Database | Fandom
New Horizons' latest images from Ultima Thule reveal new details | Astronomy.com