The Gamma Ray Burst of 775

About 1200 years ago, Earth may have experienced one of the rarest and most powerful cosmic events a planet can be exposed to: a gamma-ray burst. If it did, well, let’s just say that we, as living things on Earth, are lucky it wasn’t worse.

Hosted by Caitlin Hofmeister
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Sources:
https://www.ras.org.uk/news-and-press/224-news-2013/2215-did-an-8th-century-gamma-ray-burst-irradiate-the-earth

http://mnras.oxfordjournals.org/content/early/2013/01/08/mnras.sts378.full

http://www.slate.com/blogs/bad_astronomy/2013/01/21/earth_hit_by_a_gamma_ray_burst_did_a_cosmic_blast_hit_us_in_775_ad.html

http://www.space.com/19340-tree-ring-mystery-gamma-ray-burst.html

http://news.discovery.com/space/astronomy/8th-century-earth-was-blasted-by-gamma-rays-130207.htm

A Huge Burst Of Gamma Rays Hit Earth–And No One Noticed

http://www.bbc.com/news/science-environment-21082617

http://missionscience.nasa.gov/ems/12_gammarays.html

http://imagine.gsfc.nasa.gov/docs/science/know_l1/bursts.html

http://www.nasa.gov/mission_pages/swift/bursts/short_burst_oct5.html
http://space.about.com/od/deepspace/a/Could-A-Gamma-Ray-Burst-Destroy-Life-On-Earth.htm
https://www.ras.org.uk/news-and-press/224-news-2013/2215-did-an-8th-century-gamma-ray-burst-irradiate-the-earth