It is expected to follow a horseshoe-type orbit to become a “mini-moon” of Earth on 29 September only to return to a path orbiting the Sun about 57 days later on 25 November, according to the study.
Lavas from hotspots - -whether erupting in Hawaii, Samoa or Iceland -- likely originate from a worldwide, uniform reservoir in Earth's mantle, according to an evaluation of volcanic hotspots.