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Supernovas and Our Fragile Earth

Presentation by Robert McGown. There is a rich history of supernova observations ranging from European to Chinese. Recent supernovas have been discovered by automated telescope search engines. A supernova neutrino blast from a nearby star could extinguish half the life on Earth. This has probably happened during great extinction events of the past. McGown is a self-employed electrician whose interests encompass astronomy and physics. He has a Master’s degree and has co-authored three science books.

Presenter : 
Robert McGown
Sunday, July 21, 2019