GraniteM@lemmy.world to Mildly Infuriating@lemmy.worldEnglish · 6 days agoBluei.imgur.comimagemessage-square22fedilinkarrow-up1199arrow-down12file-text
arrow-up1197arrow-down1imageBluei.imgur.comGraniteM@lemmy.world to Mildly Infuriating@lemmy.worldEnglish · 6 days agomessage-square22fedilinkfile-text
Doppler effect.