viernes, 7 de septiembre de 2012

Neptune

Our Space o Universe

The Universe
The universe is the totality of space and time, all forms of matter, energy and momentum, the physical laws and constants that govern them.
However, the universe may be used in slightly different contextual senses, to refer to concepts as the cosmos, the world or nature.

Earth
 The Earth formed about 4.567 billion years and life arose about a billion years later.
It is home to millions of species, including humans.
Earth interacts with other objects in space, especially the sun and the moon.

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.
The rotation period of Saturn is uncertain because it has no surface and its atmosphere rotates with a different period in each latitude.
Jupiter

Jupiter is the fifth planet from the sun. It is part of the so-called gaseous outer planets.
Jupiter is a gaseous mass body, composed mainly of hydrogen and helium, lacking a defined inner surface.
Jupiter is the most massive planet in the Solar System.

Mercury
Mercury is the planet of the solar system closest to the Sun and the smallest.
It is part of the so-called inner rocky planets and to have satellites lacks.
Know that Mercury always presents the same face to the sun.
They found a planet near the sun, which they called Vulcan, which disturbed the orbit of Mercury.
It is now known that Vulcan does not exist.

Venus
Venus is the second planet 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 planet rocky , often called the Earth's brother planet because both are similar in size, mass and composition, but totally different in thermal and atmospheric issues.
Mars
Mars is the fourth planet from the sun. Named for the god of war in Roman mythology Mars. And the inner planet is farthest from the Sun
It is, in many ways the most Earth-like.

Uranus
Uranus is the seventh planet of the Solar System, the third largest in terms of size, and the fourth most massive. Although detectable to the naked eye in the night sky, which was listed as a planet by ancient astronomers because of its low light and slow orbit.
Uranus is also the first planet discovered using a telescope.
The atmosphere of Uranus, while similar to Jupiter and Saturn consist mainly of hydrogen and helium. It is the coldest planet in system solar.

Neptune