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By looking at the range of isotopic variations in terrestrial and meteoritic samples, a Lawrence Livermore National Laboratory (LLNL) scientist and collaborators have figured out that Earth and Mars formed
Researchers at Lawrence Livermore National Laboratory believe isotopic variations in terrestrial and meteoritic samples prove that Earth and Mars were formed by collisions of planetary embryos originating from the inner
An artist’s conception of the developing solar system, with the young sun at its center and (proto-)planets accreting dust and debris from the disk
Revealing the stuff that made up these meteorites gave away that the asteroids they broke off of — at least a hundred of them — formed in the near and far reaches of the solar system. “As the largest planets in the Solar System, Jupiter and Saturn must have grown very quickly to collect enough dust and gas before the Sun ultimately ignited blew away the remaining primordial gas," LLNL postdoc Jan Render, who led a study recently published in Earth and Planetary Science Letters, told SYFY WIRE. "We also see two chemically and isotopically distinct populations of objects in the astero...