A student compares an early geocentric model with the modern Solar System model. The student says that both the Earth and the Moon must change the body they orbit.
Which correction should be made?
The Earth orbits the Moon; the Moon still orbits the Sun.
The Earth orbits the Sun; the Moon now orbits Jupiter.
The Earth orbits Jupiter; the Moon still orbits the Earth.
The Earth orbits the Sun; the Moon still orbits the Earth.
80 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.