Donaldjohanson, a main belt asteroid, could be a relic of a cosmic collision that took place 150 million years ago.

Donaldjohanson formed about 150 million years ago when a much larger asteroid broke apart. Since then, its orbit and spin ...

New Southwest Research Institute-led modeling indicates the main belt asteroid (52246) Donaldjohanson may have formed about ...

NASA’s Lucy spacecraft is gearing up for an exciting flyby of the asteroid Donaldjohanson on April 20, 2025. The mission, ...

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 ...

Although NASA's Lucy spacecraft's upcoming encounter with the asteroid Donaldjohanson is primarily a mission rehearsal for ...

NASA’s Lucy spacecraft will fly by asteroid Donaldjohanson on April 20, 2025, revealing its shattered past, strange spin, and secrets of planetary formation in a major space milestone.

New Southwest Research Institute-led modeling indicates the main belt asteroid (52246) Donaldjohanson may have formed ...

instead of accumulating it like Jupiter's Trojan asteroids. The laws of physics predict that there will exist a radius, larger as the mass of the black hole increases, where the math turns itself ...

On April 20, Lucy will encounter a small main-belt asteroid, Donaldjohanson, as a sort of test sequence before it visits seven Trojan asteroids. The asteroid, called DJ for short, is only 2.5 ...