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 ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/artist/52/SciShow Or help support us by subscribing to our page on Subbable: https://subbable.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Thanks Tank Tumblr: http://thankstank.tumblr.com 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 http://www.popsci.com/science/article/2013-01/huge-burst-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

• published: 03 Dec 2014
• views: 301