Astrophysicists have traced the origin of some of Earth’s cosmic rays to a blazar 4 billion light years away. https://media.wired.com/photos/5b4698ff10c6cd3211f5df48/master/pass/blazar.jpg
Astrophysicists have traced the origin of some of Earth’s cosmic rays to a blazar 4 billion light years away. https://media.wired.com/photos/5b4698ff10c6cd3211f5df48/master/pass/blazar.jpg