“What If History’s Brightest Supernova Exploded in Earth’s Backyard?”

“What If History’s Brightest Supernova Exploded in Earth’s Backyard?”

 

Messier 1 or Crab Nebula
The Crab Nebula (aka Messier 1)
Photo from European Southern Observatory
(Click to enlarge.)

 

A thought experiment:

 

http://www.theatlantic.com/science/archive/2016/01/rare-supernova-crab-nebula/424125/

 

 


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