The briefing
New analysis of NASA’s Lucy spacecraft data shows main-belt asteroid Donaldjohanson is a wobbling, peanut-shaped, heavily cratered fragment from a breakup about 155 million years ago. The object preserves clues about the migration of water-rich bodies in the early Solar System.
Original headline
Asteroid Donaldjohanson is Wobbly, Peanut-Shaped Object with Watery Past, Scientists Say