After Sir William Herschel observed Uranus on 13 March 1781 while in the garden of his house in Bath, England, he reported it as a what?
Comet A comet is an icy, small Solar System body that, when passing close to the Sun, warms and begins to release gases, a process called outgassing. This produces a visible atmosphere or coma, and sometimes also a tail.
On 13th March 1781 a heavenly body was observed, announced and named Georgium Sidus, a star; it was not the first time the star had been observed. Eventually it became known as what?