Explore various scenarios for rainbow sightings at this interactive page:
cimss.ssec.wisc.edu/wxfest/ExploreRainbows/rb.html
Blue Sky Science is a weekly Q&A series that gives children and adults a forum to pose curiosity-driven, blue-sky questions about science. The public poses the questions and the Blue Sky Science team finds the relevant Madison scientists to answer the questions. See more episodes: https://goo.gl/AH1Urj