ESS2.B: Plate Tectonics and Large-Scale System Interactions (3-5 ... ESS1.B: Earth and the Solar System (9-12) The solar system appears to have formed from a disk of dust and gas, drawn together by ...

TIM:When I was up on the ISS, that different perspective really brought home the sheer scale of the universe. The vastness of our Solar System and the distances involved is something that's hard ...