Reconstructing 1000 Years of Solar Activity with Tree Rings - a podcast by Dr. Pamela Gay & Annie Wilson

from 2021-01-22T20:27:13

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Researchers measured the concentration of carbon-14 in tree-ring archives to recreate over one thousand years’ worth of solar activity. Plus amazing solar structures, earthquake forensics IN SPACE, Martian glaciers, a cold quasar and our weekly What’s Up segment.