It’s not much brighter than usual, but it’s UVC, a higher frequency/shorter wavelength than what we are used to on the surface of the Earth. UVC reacts with (di

It’s not much brighter than usual, but it’s UVC, a higher frequency/shorter wavelength than what we are used to on the surface of the Earth. UVC reacts with (di-)oxygen to make ozone, so it’s blocked by the ozone layer. The smell is very distinct and it burns eyes and skin readily.