July 2009

Many objects found today in the asteroid belt between the orbits of Mars and Jupiter may have formed in the far reaches of the solar system, according to an international team of astronomers led by scientists from the Southwest Research…

Through Rachel Courtland About 20% of objects in the main asteroid belt may have originated beyond Neptune, according to a new simulation (Illustration: NASA/JPL-Caltech) Millions of objects…

"Primordial objects" may have been captured during the planetary realignment. You have full access to this article through your institution.…