A research team from the University of California, San Diego is hoping to learn how our solar system evolved by studying the origins of different isotope ratios among the elements that make up today’s smorgasbord of planets, moons, comets, asteroids, and interplanetary ice and dust. The scientists are led by Mark Thiemens, Dean of the Division of Physical Sciences, who has worked on this problem for over three decades.
Most recently, Thiemens and his team have found the Chemical Dynamics Beamline of the Advanced Light Source (ALS) at the U.S. Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) to be an invaluable tool. They employ the beamline to examine how photochemistry determines the basic ingredients in the solar system recipe.
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