2021年3月15日 · It wasn’t until March 10, 1977, just six months before the Voyager spacecraft left Earth on their epic voyages of exploration of the outer planets, that astronomers discovered five faint rings orbiting Uranus.

William Herschel first observed Uranus on 13 March 1781, leading to its discovery as a planet, expanding the known boundaries of the Solar System for the first time in history and making Uranus the first planet classified as such with the aid of a telescope.

2024年11月4日 · March 13, 1781: British astronomer William Herschel discovers Uranus – the first new planet discovered since ancient times – while searching for faint stars. 1787-1851: Four Uranian moons are discovered and named Titania, Oberon, Ariel and Umbriel.

The discovery of Uranus played a big role in the discovery of the planet farthest from the Sun—Neptune. Ever since Uranus was discovered, astronomers kept close tabs on where Uranus was in the sky. They noticed that Uranus did not behave like they thought it should.

2024年3月13日 · The 7th planet – Uranus – was discovered on March 13, 1781, completely by accident. British-German astronomer William Herschel was performing a survey of all stars of at least magnitude 8....

2010年2月9日 · Herschel’s discovery of a new planet was the first to be made in modern times, and also the first to be made by use of a telescope, which allowed Herschel to distinguish Uranus as a planet, not...

2024年12月31日 · It was discovered in 1781 by astronomer William Herschel, although he originally thought it was either a comet or a star. It was two years later that the object was universally accepted as a new planet, in part because of …

2019年8月13日 · When Uranus, the seventh planet from the Sun, was discovered in 1781, it expanded the known limits of our solar system. It was also the first planet to be discovered using a telescope, as Mercury, Venus, Mars, Jupiter and Saturn were all bright enough to be easily visible to the naked eye.

Uranus was discovered on March 13, 1781, by the English astronomer William Herschel with the aid of a telescope. Uranus is the first planet to be discovered that had not been recognized in prehistoric times but had been seen through a telescope several times over the previous century and dismissed as another star.

2017年4月16日 · It was not until the late 18th century that the first recorded observation that recognized Uranus as being a planet took place. This occurred on March 13th, 1781, when British astronomer...