Cosmic Rays with Dr Jessica Bloom (191)

They're Cosmic ... but are they Rays ? Dr Karl gets the briefing from a recent University of Sydney astrophysics graduate, Dr Jessica Bloom. Cosmic Rays were found ages ago and still baffling us with more questions. Dr Jessica and Dr Karl go to the ends of the earth on this cosmic quest.      https://drkarl.com/ https://www.facebook.com/astrokitten/photos/