Galileo observed four small objects that changed position on either side of Jupiter over several nights. The objects remained close to Jupiter.
Which conclusion is best supported by these observations?
All objects orbit the Earth rather than Jupiter.
Some objects orbit Jupiter rather than the Earth.
Jupiter orbits the Earth rather than the Sun.
The Earth orbits Jupiter rather than the Sun.
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.