For centuries, the geocentric model of the cosmos posited that the Earth was stationary at the absolute center of all planetary and stellar orbits.
State one other historical belief, model, or classification regarding the bodies within our Solar System that has been fundamentally revised or disproven as observational evidence has accumulated over time.
28 exam-style questions on Edexcel GCSE Physics 7.1 The Solar System and gravity, covering 7.1.1 Weight and g on different bodies in space, 7.1.2 The Solar System, 7.1.3 Changing ideas about the Solar System, 7.1.4 Orbits of moons, planets, comets and satellites, and 7.1.5 Gravity and orbital motion. Each one has a worked solution and a mark scheme showing where the marks go.