McKeegan, Kevin 2018 J. Lawrence Smith Medal

McKeegan, Kevin 2018 J. Lawrence Smith Medal

Join us in congratulating Kevin D. McKeegan!

Kevin D. McKeegan, University of California, Los Angeles, will receive the 2018 J. Lawrence Smith Medal.

McKeegan is a world-recognized leader in the application of micro-analytical techniques to study meteoritic materials — incredibly precise research which has improved our understanding of the processes and chronology of the early solar system.

Among his accomplishments, McKeegan’s team discovered that the oxygen isotopic composition of the Sun is about 5 percent different from that of all rocky solar system bodies previously sampled, including the Earth, the Moon, Mars, and asteroidal parent bodies of meteorites. McKeegan and his colleagues accomplished this major discovery by analyzing samples from the Genesis space-probe mission, which collected particles from the solar wind. The task — the highest priority research goal of the Genesis mission — required the development of a new type of hybrid instrument, the MegaSIMS, which combined a secondary ion mass spectrometer with an accelerator mass spectrometer. The work built upon McKeegan’s earlier development of reliable methods for measuring isotope abundances in refractory phases of meteorites and in microscopic interplanetary dust particles using an ion probe.

McKeegan also led the Isotopes Team of the Preliminary Science Investigation of the Stardust mission that analyzed dust particles captured by flying through the tail of comet Wild2.

The J. Lawrence Smith Medal recognizes recent original and meritorious investigation of meteoric bodies. The award is presented with a medal and a $50,000 prize.

Please use the following sample social media posts and other materials to congratulate Kevin D. McKeegan.

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Congratulations Kevin D. McKeegan of @UCLAbruins, recipient of 2018 @theNASciences J. Lawrence Smith Medal! He will receive the J. Lawrence Smith Medal for discoveries related to the oxygen isotopic composition of the Sun. The award will be presented during the 155th NAS Annual Meeting on Sunday, April 29. #meteorites

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Congratulations Kevin D. McKeegan of @UCLA, recipient of @theNASciences J. Lawrence Smith Medal! His analysis improved our understanding of the Sun's composition. #meteorites

 Kevin D. McKeegan of @UCLA earns 2018 @theNASciences J. Lawrence Smith Medal for analysis of the composition of the Sun and rocky solar system bodies! #SolarSystem

Watch Kevin D. McKeegan of @UCLA receive @theNASciences J. Lawrence Smith Medal at #NAS155 on April 29! #meteorites

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