
Originally Posted by
trinitree88
Holy Krolik! The authors, several Polish scientists, and a companoin from the Colorado Mines, suggest that a detector, at altitude, can pick up super energetic cosmic ray induced air showers, propagating horizontally through Earth's atmosphere, via secondary muons producing photons through ~ 400 km of air. The atmospheric path is deep when you look sideways (which is why you don't tan well at sunset....), and the effect is geatly exacerbated by using a baloon borne detector. They expect in 100 days of observations, ~ 120 events @ 10
17 ev, and one at 10
18. pretty neat trick.
https://arxiv.org/abs/1909.12007
pete
Cool.
The moment an instant lasted forever, we were destined for the leading edge of eternity.