Science
The Rings of Ancient Tree May Hold Tales of Epic Space Explosions – ScienceAlert
A dying massive star is not a peaceful event. It blasts off its outer material in a colossal explosion, irradiating space with high-energy gamma radiation for several…
A dying massive star is not a peaceful event. It blasts off its outer material in a colossal explosion, irradiating space with high-energy gamma radiation for several years. Empty space isn’t the only thing exposed to this radiation, however. New research suggests that Earth’s ancient trees may contain evidence of these celestial explosions.
“These are extreme events, and their potential effects seem to match tree ring records,” explained geoscientist Robert Brakenridge of the University of Colorado…
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