The asteroid that may be three worlds

Phys.org reports that researchers have finally clarified the shape of asteroid forty-four Nysa, settling a mystery that's persisted for more than a hundred years. The asteroid is one of the largest and brightest E-type asteroids in the main belt, with a surface composition rich in enstatite. Earlier observations suggested it was elongated, or possibly two objects fused together, though the exact details remained unclear until now.

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