OUR SPACE

The solar system formed about 4.6 billion years ago from a cloud of gas and dust that formed the central star and a circumstellar disk in which, by the union of smaller particles, have been formed first, little little, larger particles, then planetesimals, protoplanets then, up to the present planets.

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*Mercury: is the planet of the solar system closest to the Sun and the smallest. It is part of the so-called rocky inner planets or satellites lacks. Very little was known about its surface until it was sent planetary probe Mariner 10 and made observations with radars and telescopes.

*Venus: is the second planet from the sun in order of distance from the Sun, and the third in terms of size, from smallest to largest. It is named in honor of Venus, the Roman goddess of love. It is a rocky planet Earth type, often called the Earth's sister planet because both are similar in size, mass and composition, but totally different in thermal and atmospheric issues.

*Earth: (Terra, Latin name of Gaia, Greek deity of femininity and fertility) is a planet in the solar system that revolves around its star in the third innermost orbit. It is the densest and fifth-largest of the eight planets in the Solar System. It is also the largest of the four terrestrial.

*Mars: is the fourth planet from the sun. Named for the god of war in Roman mythology Mars is sometimes nicknamed the Red Planet because of the reddish appearance that gives the dominating iron oxide surface.
It is part of the so-called terrestrial planets (rocky nature, like the Earth) and the inner planet is farthest from the Sun is in many ways the most Earth-like.

*Jupiter: is the fifth planet from the sun. It is part of the so-called gaseous outer planets. Named after the Roman god Jupiter (Zeus in Greek mythology).
This is the planet that offers higher brightness throughout the year depending on its phase. It is also after the Sun, the largest celestial body in the solar system with a mass nearly two and a half times that of the other planets combined (with a mass 318 times that of Earth and three times that of Saturn ).

*Saturn: is the sixth planet from the sun, and the second largest after Jupiter mass and the only one with a ring system visible from Earth. Its name comes from the Roman god Saturn. It is part of the so-called outer planets or gaseous Jovian also called for its resemblance to Jupiter. The most characteristic aspect of Saturn are its bright rings.

*Uranus: is the seventh planet of the Solar System, the third largest in terms of size, and the fourth most massive.Uranus is similar in composition to Neptune, and both have a composition different from the other two gas giants (Jupiter and Saturn).

*Neptune: is the eighth planet from the Sun and the solar system's farthest. It is part of the so-called outer planets or gas giants, and is the first to be discovered through mathematical predictions. His name was given in honor of the Roman god of the sea, Neptune, and is the fourth planet in diameter and the third largest by mass.