Geologic units of Ultima Thule mapped

The geologic units of Ultima Thule were presented at the NASA press conference this week. Kirby Runyon, a New Horizons science team member from the Johns Hopkins Applied Physics Laboratory in Laurel, Maryland differentiated hills, troughs, impact or sublimation craters or pits, streaks and hills,  and albedo features on the contact binary asteroid. The team named the largest depression “Maryland” crater.

Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute/National Optical Astronomy Observatory

Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute