alt Hacker NewsToday I learned about the Bortle scale. I was completely ignorant about it.
> If you've never seen truly dark skies, do yourself a favour and go see what they look like during true night
I think I went from only ever experiencing Bortle 5-6 to Bortle 1 when I visited Merzouga and Erg Chebbi. Blew my mind, made me really appreciate the extent of light pollution almost everywhere else I've been.
> Today I learned about the Bortle scale
When I first learned about the "clouds are noticeably brighter than the sky" part of Bortle 5, it was like it flipped a switch in my brain. I can't avoid noticing it now.