Feb 092019
Turns out Ultima Thule *isn’t* shaped like a snowman with two merged spheres, but instead like two flattened river rocks edge to edge.
New Horizons’ Evocative Farewell Glance at Ultima Thule
Images Confirm the Kuiper Belt Object’s Highly Unusual, Flatter Shape
The two components did seem a bit small to be such good spheres. Turns out they weren’t; New Horizons just happened to catch them at the right angle.