One of the best things about a rainy day is the chance to see a rainbow. But there's more to rainbows than meets the eye. Learn what causes rainbows to appear and what colors show up in them. Then find out when you're most likely to see these amazing sights of the skyHave you ever seen a shooting star Or maybe you've seen glowing green and pink lights in the northern sky. There are many sights to explore above us. Find out exactly how shooting stars eclipses rainbows and the Northern and Southern Lights happen. Awesome photos will give you a close-up view of these amazing sights of the sky