who was he married to ?
Mary Pitt (née Baldwin)
William Herschel
On 8 May 1788, William Herschel married the widow Mary Pitt (née Baldwin) at St Laurence's Church, Upton in Slough. 
when was uranus first discovered and by who Sir William Herschel discovered it on 13 March 1781. is this a planet ? Yes, Uranus is the seventh planet from the Sun. how is the climate here ? It is the coldest planet in the Solar System. what is its reference in culture ? In astrology, it is the ruling planet of Aquarius. has is it been explored ? Yes, In 1986, NASA's "Voyager 2" interplanetary probe encountered it. how is the atmosphere there ? There is no well-defined solid surface within Uranus's interior, the outermost part of Uranus's gaseous envelope that is accessible to remote sensing. how did it get its name ? he name of Uranus references the ancient Greek deity of the sky Uranus. how is its visibility ? Its mean apparent magnitude is 5.68 with a standard deviation of 0.17, while the extremes are 5.38 and +6.03. what is it composed of ? It consists mainly of molecular hydrogen and helium. what is its internal structure ? It consists of three layers: a rocky (silicate/iron–nickel) core in the centre, an icy mantle in the middle and an outer gaseous hydrogen/helium envelope. who the person you mentioned above who discovered this planet ? Astronomer and composer of music where was he born ? Electorate of Hanover in Germany. name some of his musical work ? Various vocal works including a "Te Deum", psalms, motets and sacred chants along with some catches. how did he die ? He died after a long illness. did he invent any telescope ? Yes, Herschel telescopes. what is  this ? It is his first large telescope. how large was it ? The largest was a reflecting telescope with a 49½-inch-diameter (1.26 m) primary mirror and a focal length.
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William Herschel [SEP] Family and death
On 8 May 1788, William Herschel married the widow Mary Pitt (née Baldwin) at St Laurence's Church, Upton in Slough. They had one child, John, born at Observatory House on 7 March 1792. William's personal background and rise as man of science had a profound impact on the upbringing of his son and grandchildren. He was elected a Foreign Honorary Member of the American Academy of Arts and Sciences in 1788. In 1816, William was made a Knight of the Royal Guelphic Order by the Prince Regent and was accorded the honorary title 'Sir' although this was not the equivalent of an official British knighthood.