Uranus

British astronomer William Herschel discovered Uranus accidentally on March 13, 1781, with his telescope while surveying all stars down to those about 10 times dimmer than can be seen by the naked eye. One
British astronomer William Herschel discovered Uranus accidentally on March 13, 1781, with his telescope while surveying all stars down to those about 10 times dimmer than can be seen by the naked eye. One “star” seemed different, and within a year Uranus was shown to follow a planetary orbit.

The seventh planet from the Sun at 2.9 billion km (1.8 billion miles) or 19.19 AU, Uranus is a world tinted blue due to more methane in its mainly hydrogen and helium atmosphere than a similar gas giant like Mighty Jupiter or Spectacular Saturn.

Space & Astronomy Wiki – the planets in the solar system –

A year on Uranus, the amount of time it takes the planet to orbit the Sun, takes about 84 Earth-years to complete, but a day is only 17 hours in length. 27 moons of various sizes orbit this planet, which is just about the same in size as Neptune, moons name after characters from the works of Shakespeare and Alexander Pope.

Although it’s not as apparent looking at Uranus through a telescope, this light blue world does have a ring system, composed of narrow and dark inner rings and brightly colored outer rings. As you look at this far off world through a telescope, you’ll notice it’s tipped on its side, compared to the other planets. Some planetary space scientists believe this orientation could be due to a collision over 4.5 billions years ago, when the solar system was being formed.

This distant world has only been visited by one man made spacecraft, Voyager 2 flew by Uranus, and the other outer planets, before heading off out of the solar system. The majority of the facts we have concerning this amazing world are due to this flyby, and unfortunately humans presently have no missions to Uranus planned for the future.

You can learn more about Uranus here.

Learn more about planets found in star systems composed of four suns.

Read about the Rosetta spacecraft’s historic decade long voyage to a meeting with comet 67P/Churymov-Gerasimenko.

Learn more about calculating the possibility of intelligent life existing in the universe.

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