Without the sun, our solar system would fall apart. Its gravity is what keeps planets and other celestial bodies moving in orbit. Additionally, the sun plays a big role in Earth's weather, climate, and seasons. We wouldn't know of this if we hadn't spent a lot of time over hundreds of years studying the sun! In this intriguing book, readers head to the yellow dwarf star that is our sun with satellites, probes, and through high-powered telescopes to discover the amazing information missions to and around the sun have taught NASA and other space scientists around the world.