How do you measure the speed of something super far away in space? By reading the rainbow of light! Light carries a lot of information—learn to read its rainbow, and it can tell you the story of the universe. #ReadingTheRainbow #astronomy #spectra #spectroscopy

What would it be like to visit a distant planet? Light that has passed through the planet's atmosphere holds clues. Astronomers read the rainbow of light to discover the unique story of each planet. #FindARainbowDay #ReadingTheRainbow #spectroscopy