The shift is believed to result from a complex interplay with the gravitational influences of Venus and Jupiter, along with other bodies in the Solar System as they all whirl around the Sun like a set of gyrating hula - hoops, sometimes closer to one another, sometimes further. (ldeo.columbia.edu)
MSSS scientists have also participated in spacecraft missions to other bodies in our Solar System as Principal Investigators, Co-Investigators, and Collaborators. (msss.com)
Roberts says several other bodies in the solar system — including Saturn's moon Mimas, and the dwarf planet Ceres — could have similarly «fluffy» cores. (newscientist.com)