http://www.independent.co.uk/news/science/earth-was-hit-by-gamma-ray-burst-from-space-in-eighth-century-say-scientists-8460351.html
What do you gather from that bit of news in the context of Great Filter? Any thoughts?
http://www.independent.co.uk/news/science/earth-was-hit-by-gamma-ray-burst-from-space-in-eighth-century-say-scientists-8460351.html
What do you gather from that bit of news in the context of Great Filter? Any thoughts?