Earth has been travelling through a cloud of radioactive debris for 33000 years – Brinkwire

We are all travelling through a cloud of ancient radioactive debris left behind by supernova explosions, according to a team of researchers looking in the ocean. 
By examining deep-sea sediments, experts from the Australian National University have been uncovering the mystery surrounding the space around our solar system.
The team examined sediment known to date back 33,000 years using a sensitive mass spectrometer and found traces of the isotope iron-60 formed when stars die.
For the last fe…

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