Initial results from the Ultima Thule flyby
AFTER MORE THAN THREE YEARS of continuous preparations, it’s hard for me to believe that NASA’s New Horizons flyby of Kuiper Belt object 2014 MU69, nicknamed Ultima Thule, is now history — but it is.
The flyby past Ultima Thule was far more challenging than our 2015 New Horizons exploration of the Pluto system. The event culminated on January 1 in complete and utter success. Every planned observation, by every one of
