Aurora Borealis!? At this time of year, at this time of day, at this part of the country, localized entirely within maybe as far south as Alabama to northern California?
Nope, he's playing with original hardware, the screen shot is a reference to what was a speed running bounty. There was a streamer playing that part of Super Mario 64 and he glitched straight up, if it could be repeated it would be a great time save for speed running. After years of investigation the community decided that it was caused by a bit flip probably caused by cosmic radiation. You can't get that bit flip on an emulator.
Hey so the cosmic ray thing was a really popular meme but the glitch was probably just a crooked cartidge. It's funny to imagine a cosmic ray doing this but the odds are so low as to be functionally impossible, and this kind of glitch can happen with dirty or loose connections.