🔬 Science
2d ago
Asteroid Donaldjohanson wobbles as it rotates, Lucy flyby reveals
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Southwest Research Institute (SwRI) scientists studying the inner main-belt asteroid Donaldjohanson have found that its rotation wobbles. Rather than rolling through space in a steady pattern, Donaldjohanson turns on two axes, rotating end over end once every 10.5 Earth days while wobbling around its horizontal axis every 26.5 days. The findings are published in the journal Science.
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