Uranium receives from the Sun in 370 times less heat than the Earth, it occupies the seventh orbit of a celestial body.Therefore, a light by day here is reminiscent of the earth twilight.Like the other gas planets, Uranus has bands of clouds that moved very quickly.A complex system of clouds includes a top layer consisting of methane and a bottom, wherein the water predominates.
rotation axis of Uranus is tilted at an angle of 98 °, the planet rotates practically lying on its side.So she alternately facing the south pole of the sun, the equatorial, the Arctic, and sometimes - the mid-latitudes.Equatorial regions receive less solar energy than the polar.
believed that Uranus has the lowest temperature among the planets, its value ranges from -208 ° C to -212 °.Because of this, t
he planet is often called ice giants, its entrails make blocks of ice and rocks.One was recorded surface temperature of -224 ° C Uranus.
Uranus makes one revolution around the Sun in approximately 84 years old, 42 of them heated, one pole of the planet, while the other remains in the shadows.Perhaps this is one reason for such low temperatures on the planet.The second reason is that, unlike steel giants Jupiter and Saturn, Uranus in the composition of many high ice modifications.
Like all gas planets, Uranus has no solid surface.Its visible surface - powerful atmosphere, the thickness of which is not less than 8000 km.It contains about 83% hydrogen, 15% helium, and it has a 2% methane.
Uranus has nine narrow, dark and dense rings.Each of these moves as a single unit.They consist of fine dust and rock particles is not larger than several meters.
satellite system of the planet lies in its equatorial plane almost perpendicular to the orbital plane, currently 27 known moons of Uranus.None of them has its atmosphere, and their orbits evolve rapidly.
Uranus Titania and Oberon are similar to each other, their radius is about twice smaller than the radius of the moon, and the surface covered with a mesh of tectonic faults and old impact craters.According to scientists, in the next few million years some of the satellites collide with each other, crumble into many pieces, which will give rise to new rings of the planet.