It also serves as the center of our solar system, with its gravitational pull keeping the planets in orbit. But what exactly is the sun? Readers (Grades 3-5) will explore how the sun was formed, what it is made of, and how its energy travels to Earth...
RevType | 2 |
Manufacturer | Scholastic True Books |
Sku | 9780531240625 |
Identity | 26896921143 |