Did you know the Moon has “tan lines”? 😎 These tan lines, which feature bright tendrils and swirls amid darkened areas, are caused by the Sun. But that’s only half of the story. These weathered patches also give us clues as to what’s going on below the lunar surface. NASA’s Illuminate: Out-of-this-world images shining light on our Sun and solar system.#NASAsIlluminate #NASA #space #science