Stickmaker (
stickmaker) wrote2013-01-21 11:46 pm
Once in Three Thousand Years
Earth experienced gamma ray burst in AD 774 or 775:
http://www.spacedaily.com/reports/Gamma-ray_burst_blasted_Earth_in_8th_century_study_999.html
http://www.spacedaily.com/reports/Gamma-ray_burst_blasted_Earth_in_8th_century_study_999.html