Asteroid Donaldjohanson is Wobbly, Peanut-Shaped Object with Watery Past, Scientists Say

The asteroid Donaldjohanson is composed of two heavily cratered lobes, connected by a smoother neck, with overall dimensions 8.8 km by 4.4 km by 3.1 km. Image credit: NASA / Goddard / SwRI / Dan Gallagher.

The main-belt asteroid Donaldjohanson, a heavily cratered fragment born from a catastrophic breakup 155 million years ago, appears to wobble through space while preserving clues to the migration of water-rich worlds in the early Solar System, according to a new analysis of images and data from NASA’s Lucy spacecraft.

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