Great ball of fire

"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. . . Readers head to the yellow dwarf star that is our sun with satellites, probes, and through high-powered telescopes to discover the . . . information missions to and around the sun have taught NASA and other space scientists around the world"--Provided by publisher.