haxor@derp.fooMB to Hacker News@derp.fooEnglish · 1 year agoSimple streetlight hack could protect astronomy from urban light pollutionwww.space.comexternal-linkmessage-square4fedilinkarrow-up112file-textcross-posted to: hackernews@lemmy.smeargle.fansspace@mander.xyzgeography@mander.xyz
arrow-up112external-linkSimple streetlight hack could protect astronomy from urban light pollutionwww.space.comhaxor@derp.fooMB to Hacker News@derp.fooEnglish · 1 year agomessage-square4fedilinkfile-textcross-posted to: hackernews@lemmy.smeargle.fansspace@mander.xyzgeography@mander.xyz
not a good summary