Answer:
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....and estimation of its formation is about 4.6 billion years ago...
Public debate takes place mostly through the mass media, but also at meetings or through social media, academic publications and government policy documents.
If Eric plays the piano, then David will sing.
It would be because the world war 2.
After the world war 2, Germany's territory was divided into two block with different Ideology, the East German with communism ideology and the West German with the liberalist Ideology. They both build a wall called the Berlin wall to separate the two territories