Our Solar System May Have Once Harbored Super-Earths (IMAGE)
Caption
This snapshot from a new simulation by Caltech and UC Santa Cruz researchers depicts a time early in the solar system's history when Jupiter likely made a grand inward migration (here, Jupiter's orbit is represented by the thick white circle at about 2.5 AU). As it moved inward, Jupiter picked up primitive planetary building blocks, or planetesimals, and drove them into eccentric orbits (turquoise) that overlapped the unperturbed part of the planetary disk (yellow), setting off a cascade of collisions that would have ushered any interior planets into the sun.
Credit
K. Batygin/Caltech
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