The Table shows information about six of the planets in our solar system.
Table
| Planet | Mean distance from the Sun in million km\text{km}km | Time to orbit the Sun in Earth years | Main material |
|---|---|---|---|
| Mercury | 58 | 0.24 | rock |
| Venus | 108 | 0.62 | rock |
| Earth | 150 | 1.0 | rock |
| Mars | 228 | 1.9 | rock |
| Jupiter | 778 | 11.9 | gas |
| Saturn | 1430 | 29.5 | gas |
Describe the relationship between the distance of a planet from the Sun and the time it takes to orbit the Sun.
Neptune is 4500 million km\text{km}km from the Sun.
Suggest a value for the time Neptune takes to orbit the Sun.
Describe the difference between a planet and a moon.
Pluto orbits the Sun but it is not one of the eight planets.
Name the type of object that Pluto is.
Use the Table to describe one difference between the four planets closest to the Sun and the other two planets.
50 exam-style questions on OCR GCSE Physics 8.3 Beyond Earth, covering 8.3.1 Red-shift and the expanding universe, 8.3.2 Evidence for the Big Bang model, 8.3.3 Formation of the Sun and stellar equilibrium, 8.3.4 Radiation emitted by hot bodies, 8.3.5 The solar system and satellites, 8.3.6 Gravity and circular orbits, 8.3.7 Orbital radius and orbital speed, 8.3.8 Radiation balance and the temperature of the Earth, and 8.3.9 Seismic waves and exploring hidden structures. Each one has a worked solution and a mark scheme showing where the marks go.