Earth’s atmosphere bends and splits sunlight, creating rainbows and other displays, including the rarely seen “green flash.” Under clear, clean skies it appears with the first burst of sunlight before sunrise or the last glimpse at sunset.
Earth’s atmosphere bends and splits sunlight, creating rainbows and other displays, including the rarely seen “green flash.” Under clear, clean skies it appears with the first burst of sunlight before sunrise or the last glimpse at sunset.