Seven things we’ve learned about Ultima Thule, the farthest place visited by humans
Tuesday, May 28, 2019 - 20:10
in Astronomy & Space
About a billion miles more distant than Pluto is Ultima Thule, a peanut-shaped object in the outer solar system that’s the farthest place ever visited by humans. NASA’s New Horizons spacecraft zipped past Ultima Thule on New Year’s Eve (Pacific time), flying within 2,200 miles of the space rock’s...