@plane.geek22: lwk a bit late to ts The Doppler effect is the change in the observed frequency or wavelength of a wave when the source and the observer are moving relative to each other. It happens with sound, light, and other waves. #fyp #planespotting #photograhy #viral #dontflop @bhxproductions🇬🇧✈️ @Ed @sam 🍒🍃 @Astr0zas @VHL | PTFS @PLANESSS✈️✈️✈️ @Jack 🪖 @s_297_0 @European Cargo|PTFS|Leighton @alex_aviationyt @🔴 Greggs FC 🟡 @Airshows & More @bc_photography5 @𝘿𝘼𝙑𝙄𝘼𝙏𝙄𝙊𝙉.𝘾𝘾 @dion🇮🇪🏑🧤 @ftblcunha @L/A Photography 📸 @sam_rbxxx