The Solar System is made of the Sun, and the objects that turn around it. It counts, among other things, eight planets, including the Earth, our planet, the third one.

Solar sys

Diagram of the Solar System (not in scale). From center to outer : Sun, Mercury, Venus, the Earth, Mars, the Asteroids belt, Jupiter, Saturn, Uranus, Neptune, and Pluto. A comet can also be seen at the left.

Objects in the Solar System

Planets - greats objects that turn around the Sun ; there are eight planets in the Solar System : Mercury , Venus , the Earth and Mars , the smaller ones, made of rocks, are called terrestrial , telluric or rocky planets. Jupiter , Saturn , Uranus and Neptune , the greater ones, are called Gas giants or Jovian planets .

Dwarf planets - greats objects (not necessary smaller than the planets), that turn around the Sun, but are part of clouds of objects, named "belts", such as the Asteroid belt or the Kuiper belt. Pluto, once believed to be a nineth planet, is the most famous. Eris and Ceres are also dwarf planets.

Asteroids (or meteoroids) - are smaller objects, that have no regular shape : they look like immense blocks or rocks in the space. Most of them form a vast group called the Asteroid belt. Other can be scarced in the Sun System.

Satellites - are various size object, that don't turn directly around the Sun, but around a planet, a dwarf planet or an asteroid. Comets - are objects made of ice and dust that turn aroud the Sun in a peculiar way, that seem to pass through the Sun System.

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