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Lightning is Hotter Than the Sun Imagine something so hot that it makes the sun look chilly in comparison. That's lightning ...

Sun-related topics take on special importance for people with lupus. Here are five facts that will help you be safer in the sun. UV rays are not all the same. When we talk about sun exposure, what we ...

But first, some fun facts about the sun. How old is the sun? It is 4.6 billion years old! The sun is 139 times larger than ...