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.

ultima_geo.jpeg

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

image27

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

Advertisements

The first map of asteroid Bennu published

Synced with the start of LPSC, DellaGiustina et al. in Nature published the first photomosaic map of the asteroid Bennu, using images from NASA’s NASA’s OSIRIS-REx spacecraft. The mosaic can also be accessed via the Osiris-Rex website. Challenges included the diamond shape of the asteroid and variable illumination conditions on the available images. Resolution is 1.6-1.8 m/pixel.

 

bennu2019.jpg

Credit: NASA/Goddard/University of Arizona. Equirectangular projection.