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April 13, 2016 Series of Supernovae Showered Earth With Radioactive Debris: Study
An international team of scientists has found evidence of a series of massive supernovae, or explosions after a star runs out of fuels and leads to creation of many radioactive heavy elements, near our solar system which showered the earth with radioactive debris millions of years ago. Debris that includes radioactive iron-60 in sediment and […]
