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Edexcel GCSE Physics · 1PH0
Edexcel 1PH0 · 7.3P Check the specification (PDF) (opens in a new tab)
The eight planets orbit the Sun. Their means listing them from the nearest to the furthest—not by their size or their distance from Earth.
Starting nearest the Sun, the order is:
Mercury → Venus → Earth → Mars → Jupiter → Saturn → Uranus → Neptune
Mercury is the closest planet to the Sun, Earth is third, and Neptune is the furthest of the eight planets.
The eight planets in order from the Sun. Sizes and spacing are not to scale.
The diagram shows the sequence only. It does not show the planets’ actual sizes or the distances between them, and the planets do not remain lined up like this as they orbit.
It helps to learn two shorter sequences. The first four are Mercury, Venus, Earth and Mars: these are the rocky planets. The next four are Jupiter, Saturn, Uranus and Neptune, further out from the Sun. Joining the groups places Mars immediately before Jupiter.
For example, to identify the planet sixth from the Sun, count along the sequence: Mercury first, Venus second, Earth third, Mars fourth, Jupiter fifth and Saturn sixth.
The mnemonic “My Very Easy Method Just Speeds Up Naming” gives the initials M V E M J S U N in the correct order. Each word stands for one planet.
The two Ms represent different planets: the first is Mercury, and the fourth is Mars. Use the sentence to recall the planet names, rather than learning only the initials.
Mercury → Venus → Earth → Mars → Jupiter → Saturn → Uranus → Neptune
Check the direction requested: starting at the Sun gives Mercury first; starting with the furthest planet gives Neptune first.
Do not include Pluto in the eight-planet list: it is a dwarf planet.
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Orbit
The path followed by an object as it moves around another object in space.
Put your knowledge into practice — try past paper questions for Physics
Orbit
The path followed by an object as it moves around another object in space.