The collection of eight planets and their moons in orbit round the sun, together with smaller bodies in the form of asteroids, meteoroids, and comets.
- The moons of the outer planets in the solar system are also rich with various kinds of ices.
- Among the natural satellites that orbit the planets in the solar system, the moon is without doubt one of a kind.
- The next body to be discovered in the solar system was the minor planet Ceres, discovered in 1801.
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