@Jdreben
I was.going to say that we've evolved to live on land, but checked, and also there water is an important absorber! not the only one but still:
https://en.m.wikipedia.org/wiki/File:Atmospheric_Transmission-en.svg

Alt: absorbtion spectrum of the atmosphere -- water is absorbing a lot at many wavelengths, but a window around optical wavelengths has little absorbtion