Description From shooting stars to footprints on the moon, there is plenty to discover in outer space. Our planet is part of a huge solar system. It is time to explore our solar system and find out whether there could be life on other planets!. . The Solar System is part of Decodables by Jump!, a comprehensive library of decodable leveled readers that follow a sequenced approach to phonics instruction. Young readers will enjoy colorful, photo-packed nonfiction as they follow a prescribed format supported by the science of reading that encourages reading development.