Astrology:

Uranus themes are change for liberation and freedom as well as "technology", which includes our own "bio technology". He activates, ignites and he's electrical (seizures). He likes surprises and those most ideally sudden - it's his instrument for radical change. He's very intelligent with a scientific mind, which includes "experimenting and observing". When we can liberate ourselves from restrictive thinking, to allow our "comfort" to be challenged by change, we may open the door for surprises and wonders to enter our lives....

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Just like a Scientist that discovers something by “accident” and this discovery changes the whole concept and course of the original research or even the world.

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Greek Mythology: 

Uranus (a Titan) is the God of the Sky. He's married to Gaia. Cronus (Saturn) is their Son and Zeus (Jupiter) their Grandson. In the story, it's Saturn who "castrates" Uranus as he didn't want to give over the "throne" - out of the semen, that fell into the sea, Aphrodite (Venus) was born.... 

A thought note: Uranus is ruler of Aquarius, an age shift to Capricorn occurred and made Saturn the new ruler, as then, the precession of the equinoxes moved on and a shift into Sagittarius occurred (as predicted by Uranus to Saturn), his son Zeus (Jupiter) took on the throne....  This means we're now "ruled" by Poseidon (Neptune) who travels through Aquarius for a while already, which will be the next age and the "throne" would go back to Uranus....

 

Some Astronomy: 

Uranus was "discovered" in 1781 by William Herschel northeast of the star Zeta Tauri and deeply observed and studied by Astronomer Johann E. Bode, who also suggested the name.

In around 2030 he'll return to this discovery location. 

Uranus got 27 moons so far discovered.

He's about 4 times the size of Earth and orbits the Sun once every 84 years, taking an average of seven years to pass through each constellation of the zodiac. 

Uranus rotates once around his own axis within 17 hours from east to west, as also Venus does but he looks as rotating on the side, rolling on the ecliptic because of his axial tilt of 97.77°, which also gives totally different seasonal changes compared to the other planets. 

Uranus got several rings (like Saturn) but his magnetic field is much stronger than that of Saturn.   (Ref. Wikipedia/Nasa)