Did a star blow up and hit Earth 10 million years ago?

There are signs deep beneath the Pacific Ocean that an exploding star once sent cosmic rays blasting out towards Earth, and now we have an idea of which stars may be to blame

​There are signs deep beneath the Pacific Ocean that an exploding star once sent cosmic rays blasting out towards Earth, and now we have an idea of which stars may be to blame There are signs deep beneath the Pacific Ocean that an exploding star once sent cosmic rays blasting out towards Earth, and now we have an idea of which stars may be to blame