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NASA’s Lucy Mission Prepares for Historic Flyby of the Mysterious Asteroid Donaldjohanson
NASA’s Lucy spacecraft is gearing up for an exciting flyby of the asteroid Donaldjohanson on April 20, 2025. The mission, ...
Model suggests asteroid Donaldjohanson formed 150 million years ago
New Southwest Research Institute-led modeling indicates the main belt asteroid (52246) Donaldjohanson may have formed about 150 million years ago when a larger parent asteroid broke apart; its orbit ...