Hubble Takes a Look at Pallas: Shape, Size and Surface
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Introduction: As Dawn’s ion engine propels the spacecraft toward the asteroid belt, there is growing interest in the asteroids as planetary predecessors. Pallas is the third largest asteroid, similar in size to Vesta, and has an orbit similar to that of Ceres. Pallas is one of the three objects in the main belt that may be a proto-planet rather than a fragment or remnant of the early solar system.
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تاریخ انتشار 2008