Newslink: NASA's New Horizons Reveals Geologic 'Frankenstein' That Formed Ultima Thule

THE WOODLANDS, Texas — Less than three months after the New Horizons spacecraft zoomed past a distant, cold space rock, scientists are beginning to piece together the story of how that object, nicknamed Ultima Thule, came to be.

https://www.space.com/new-horizons-ultima-thule-flyby-geologic-frankenstein.html