Particles forged in the heart of a nearby supernova are still raining onto Earth today
Friday, April 22, 2016 - 06:20
in Astronomy & Space
Most of the cosmic rays that rain down on our planet today were forged in a nearby supernova that exploded no more than a few million years ago, according to a new study. The findings, published Thursday in the journal Science, confirm another recent study that suggests a large star in our galactic...