Uranus, the seventh planet from the Sun, was discovered by the German-born British astronomer Sir William Herschel in 1781. Herschel first observed the planet while he was surveying the night sky with his telescope from his home in Bath, England.

At the time of its discovery, Uranus was the first planet to be found with a telescope, as all the other planets had been visible to the naked eye for centuries. Herschel originally thought he had discovered a comet, but further observations revealed that it was a new planet in our solar system.

Uranus is an ice giant planet, similar in composition to Neptune, with a mostly hydrogen and helium atmosphere. It has a distinct blue-green color due to the presence of methane in its atmosphere. The planet has a unique rotational axis, tilted on its side compared to the other planets in our solar system, causing it to appear to roll along its orbit.

If you want to learn more about Uranus and its discovery by Sir William Herschel, you can visit the official website of the European Space Agency at https://www.esa.int/Science_Exploration/Space_Science/What_did_we_learn_about_Uranus for in-depth information on the planet's composition, atmosphere, and orbit.

Overall, the discovery of Uranus by Sir William Herschel in 1781 was a significant milestone in the field of astronomy, expanding our knowledge of the outer reaches of our solar system and paving the way for future discoveries about the cosmos.

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