What a great example of how TDI works and how these types of sensor processes can create artifacts in the collected data.
𝗥𝗮𝗶𝗻𝗯𝗼𝘄𝘀 𝗶𝗻 𝘁𝗵𝗲 𝘀𝗸𝘆… 𝗮𝗻𝗱 𝗼𝗻 𝘁𝗵𝗲 𝗴𝗿𝗼𝘂𝗻𝗱? While reviewing satellite imagery, we stumbled upon this stunning “rainbow airplane”! But don’t let your eyes deceive you - this isn’t a technicolor jetliner flying over farmland; it’s a fascinating artifact created by the TDI (Time-Delay Integration) nature of MSI sensors. Here’s what happened: ⏺ Multi-Spectral Imagery (MSI) sensors capture scenes in multiple spectral bands—each at a slightly different moment in time. ⏺ If a vehicle (like this airplane) is moving during image acquisition, the sensor records its position in each spectral band at different locations. ⏺ The result? A rainbow effect that looks like something straight out of a dream! This colorful glitch is a reminder of the incredible technology behind satellite imagery and how movement in dynamic scenes can create unexpected results. #RemoteSensing #SatelliteImagery #ScienceInAction #EarthObservation #RainbowAirplane #GeospatialTech #Geospatial #GIS