Double rainbows, like this one below Niagara Falls, form when sunlight is reflected twice inside the same water droplets (note how the colors on the top rainbow are reversed from the bottom one). Have you ever seen a double rainbow? Tell us about it! (Image Credit: Getty Images/35mmNegative.com) . . . . . . . . . #science #ilovescience #scienceisawesome #sciencenerd #scienceisfun #sciencelife #scienceiscool #rainbow #doublerainbow #scienceexperiment #sciencerocks #sciencegeek #scienceclass #doublerainbow #scienceandtechnology #sciencecommunication #scientistoftheweek #photooftheday #potd #instaphoto #photography #photographer #instaphotographer #worldsciencefestival