A modern model explains the apparent daily movement of the Sun and the apparent backward movement of Mars against distant stars at some times of year.
Which pair of explanations is correct?
The Earth rotates; the Earth overtakes Mars in its orbit.
The Earth rotates; Mars reverses direction in its orbit.
The Sun orbits the Earth; the Earth overtakes Mars in its orbit.
The Sun orbits the Earth; Mars reverses direction in its orbit.
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.