Mars may not have been born alongside the other rocky planets

New origin story could explain mystery of Red Planet’s makeup

Mars

FAR OUT  Mars may have formed near what’s now the asteroid belt, much farther away from the sun than the other rocky planets.

ESA & MPS for OSIRIS Team, UPD, LAM, IAA, RSSD, INTA, UPM, DASP, IDA (CC BY-SA 3.0 IGO)

Mars may have had a far-out birthplace.