"Ceres is an embryonic planet," said Lucy A. McFadden of the Department of Astronomy at the University of Maryland, College Park and a member of the team that made the observations. "Gravitational perturbations from Jupiter billions of years ago prevented Ceres from accreting more material to become a full-fledg Am vazut multe ceasuri superbe pe www.topceas.ro |
Wednesday, August 12, 2009
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