How 2019’s space missions explored distant worlds0
- From Around the Web, Space
- December 25, 2019
Planets, asteroids and Arrokoth were the focus of new discoveries
Planets, asteroids and Arrokoth were the focus of new discoveries
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.
Astronomers are closer to uncovering the distant space rock’s origin story
New images reveal the skinny side of the Kuiper Belt object
New images from NASA’s New Horizons spacecraft — taken from as close as 17,000 miles (27,000 km) on approach — revealed Ultima Thule as a contact binary.