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Supernova Cassiopeia A Explosion Remnant


Stashed in: Light, The Universe, NASA, Medium

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More explanation: http://nature.com/news/supernova-left-its-mark-in-ancient-bacteria-1.12797

Oceanic sediment contains an iron isotope that ancient bacteria accumulated 2.2 million years ago when debris rained on Earth from a supernova explosion. Shown are the remnants of a much younger supernova remnant, Cassiopeia A, shown in a composite image from three NASA observatories.

Imgur space facts:

Part One - http://imgur.com/gallery/Pd0bg 

Part Two - http://imgur.com/gallery/MDOq2

Part Three - http://imgur.com/gallery/duSHQ

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