GraniteM@lemmy.world to Mildly Infuriating@lemmy.worldEnglish · 4 days agoBluei.imgur.comimagemessage-square19fedilinkarrow-up1171arrow-down11file-text
arrow-up1170arrow-down1imageBluei.imgur.comGraniteM@lemmy.world to Mildly Infuriating@lemmy.worldEnglish · 4 days agomessage-square19fedilinkfile-text
Doppler effect.