Here are some basic facts – from NASA ... So while it is special to us, our sun is an average-size star in the universe. Its diameter is about 864,000 miles. About 1.3 million Earths could ...

the dark side of the sun is the potential damage that can be caused by ultraviolet radiation. These facts about sunlight and UV rays, courtesy of the U.S. Environmental Protection Agency, the FactFile ...

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 ...

A collection of down-to-Earth facts about our planet and its place in the solar system. This collection introduces the Sun as the main source of light and heat on Earth. It explains that the Earth ...

Our solar system is not just eight planets and the sun. It contains several other objects, some of which are weird yet fascinating. So, let's explore five unusual facts about our solar system that you ...