How cosmic rays help us understand the universe - Veronica Bindi | IELTS, ESP, EAP and CALL | Scoop.it
From ed.ted.com - November 7, 2017 12:47 PM
We only know 4% of what the universe is made up of. Can we also know what lies beyond our galaxy ... and if there are undiscovered forms of matter? Luckily, we