Dark age civilizations irradiated by massive gamma-ray explosion, and never even knew it

Tree ring evidence suggests that a rare gamma-ray burst hit Earth in AD 774-775.

Dark age civilizations irradiated by massive gamma-ray explosion, and never even knew it

Science Recorder | Matt Palso | Tuesday, January 22, 2013

According to recent evidence, Earth's so-called dark ages may have been briefly interrupted by the most powerful known explosion in the universe– a gamma ray burst. Unusually high levels of the isotope carbon-14 discovered in the rings of ancient Japanese cedar trees align with a surge in beryllium-10 in Antarctic ice at the same time, suggesting that the Earth was subjected to a rare and powerful flash of cosmic radiation in AD 774 or 775... To continue reading, subscribe to Science Recorder today.

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