fossilesque@mander.xyzM to Geography@mander.xyz • 1 year agoA simple streetlight hack could protect astronomy from urban light pollutionexternal-linkmessage-square0 fedilinkarrow-up17cross-posted to: space@mander.xyz
arrow-up17external-linkA simple streetlight hack could protect astronomy from urban light pollutionfossilesque@mander.xyzM to Geography@mander.xyz • 1 year agomessage-square0 Commentsfedilinkcross-posted to: space@mander.xyz
