Re:It's been 42 years since 'The Hitchhiker's Guide' answere...
by dekken_ on Sunday October 17, 2021 @10:45AM
(#28896827)
Rainbows.
> Indeed, it is impossible for an observer to see a rainbow from water droplets at any angle other than the customary one of 42 degrees from the direction opposite the light source.
> Indeed, it is impossible for an observer to see a rainbow from water droplets at any angle other than the customary one of 42 degrees from the direction opposite the light source.
https://en.wikipedia.org/wiki/Rainbow