10 characteristics of URANUS
Uranus, named after the father of the Roman god Saturn, is the seventh planet in the Solar System and the third of the gas giants. It is the third largest planet by diameter, but the fourth most massive.
William Herschel discovered Uranus in 1781. The planet is too dark to have been seen by ancient civilizations. Herschel himself believed that Uranus was a comet at first, but several years later it was confirmed as a planet, making Uranus the first planet discovered in modern history. The original name proposed by Herschel was "Georgian Sidus" after King George III, but this was not taken up by the scientific community. Instead, Uranus was proposed and accepted by astronomer Johann Bode and comes from the ancient Greek god Ouranos.
Most important Uranus characteristics
- Uranus rotates on its axis once every 17 hours and 14 minutes.. Like Venus, it rotates in a retrograde direction that is opposite to the direction of Earth, and the other six planets rotate. It takes Uranus 84 Earth days to orbit the Sun. Its axis is at 98 degrees, which means that it is almost on its side when it orbits the Sun. This means that Uranus' north and south poles are close to where the equator is. on earth. During parts of its orbit, one or the other of the poles directly faces the Sun, meaning the planet receives about 42 years of direct sunlight, followed by 42 years of darkness. A collision may have caused Uranus's unusual tilt. The theory is that an Earth-sized planet may have collided with Uranus, forcing its axis to shift dramatically.
- Uranus wind speeds can reach up to 900 km per hour. This is approximately 560 miles per hour.
- The mass of Uranus is approximately 14.5 times the mass of Earth., making it the lightest of the four gas giants in the outer solar system.
Uranus is often referred to as the "ice giant." While it has an upper shell of hydrogen and helium like the other gas giants, Uranus also has an icy mantle surrounding its core of iron and rock. The upper atmosphere of water, ammonia, and methane crystals gives Uranus its distinctive pale blue color. Uranus is the second least dense planet in the solar system, after Saturn.
- Uranus has 13 currently known rings. All but two Uranians are extremely narrow, usually a few kilometers wide. The rings are thought to be probably quite young. The matter within the rings is believed to be parts of a moon or moons that were destroyed by high-velocity impacts with an object such as a comet or asteroid. Although Saturn's rings have been well known for some time, it was not until 1977 that the planetary rings surrounding Uranus were discovered. The reason behind this is twofold: its distance from Earth and its low reflectivity of light. However, the Voyager 2 spacecraft identified two more on its flight mission in 1986, followed by the Hubble Space Telescope's discovery of two additional rings in 2005. The total number of known rings currently stands at thirteen, the largest and the smallest. brighter is the epsilon ring.
- Uranus it is the coldest planet in the solar system. The minimum surface temperature on Uranus is -224°C, making it the coldest of the eight planets. Its upper atmosphere is shrouded in a haze composed mainly of methane that hides storms taking place in its cloud decks.
- Due to its blue appearance, Uranus's atmospheric patterns have been much more difficult to observe than, for example, those of Jupiter or even Saturn. Fortunately, the Hubble Space Telescope has provided much more information about the structural nature of Uranus's atmosphere. Through imaging technologies more advanced than Earth-based telescopes or Voyager 2, Hubble has shown that latitudinal bands very similar to those found in the other gas giants exist. Also, the winds associated with these bands can blow in excess of 576 km/h. The reason behind the drab atmospheric appearance is the composition of the upper layer of the atmosphere. Visible cloud layers are composed primarily of methane, which absorbs the visible wavelengths corresponding to the color red. Therefore, the reflected wavelengths are those of blue and green.
- It is believed that The interior of Uranus is made up of two layers: a core and a mantle.. Current models suggest that the core is composed mostly of rock and ice and is about .55 times the mass of Earth. The planet's mantle is believed to be 8.01 x 1024 kg, or about 13.4 times the mass of Earth. In addition, the mantle is composed of water, ammonia, and other volatile elements. What distinguishes the mantle of Uranus from those of Jupiter and Saturn is that it is icy, although not in the traditional sense. Instead, the ice is very hot and thick. The mantle is 5,111 km thick.
- When Uranus was discovered, it expanded the radius of the known Solar System by almost a factor of two. What this means is that, on average, Uranus's orbit is about 2.87x10^9 km. The consequence of such a huge distance is that it takes sunlight about two hours and forty minutes to reach Uranus, which is almost twenty times longer than sunlight to reach Earth. This great distance also means that a year on Uranus is almost 84 Earth years long!
- Uranus's moons are named after Alexander Pope and William Shakespeare, for example, Oberan, Titania and Miranda. All of these worlds are frozen with dark surfaces and some are a mixture of ice and rock. Of Uranus's moons, the most interesting is Miranda, which has ice canyons, terraces, and many strange-looking areas.
- The magnetic poles Most planets are normally aligned with the axis along which it rotates, but Uranus's magnetic field is tilted, with its magnetic axis tilted nearly 60 degrees from the planet's axis of rotation. This leads to the planet Uranus having a strangely unbalanced magnetic field, with the strength of the field at the surface of the northern hemisphere being up to more than 10 times that of the strength at the surface of the southern hemisphere, leading to the formation of the auroras.
the chemical element uranium, discovered in 1789, was named after the newly discovered planet Uranus.
He Voyager 2 it is the only spacecraft that has flown Uranus. This happened in 1986 and it flew past the planet at a distance of around 81,500 km. This mission returned the first close-up images of the planet, its ring system, and its orbiting moons.
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ENCICLOPEDIA DE CARACTERÍSTICAS (2023) 10 characteristics of URANUS, en 10caracteristicas.com. https://10caracteristicas.com/en/10-characteristics-of-uranus/ (Consultado el: 22-09-2023)
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