Question

opisz dowolny wynalazek po angielsku
W opisie musi byc zawarte :
- wynalazca
- rok wynalezienia
- ilosć sprzedaży

Answer 1

William Herschel, a musician and amateur astronomer,constructed a telescope and looked for comets.In 1781 he found one, observed it and decided it couldn't be a comet because of the circularity of its orbit.It was Uranus, an unkown planet.This discovery let him become a full- time astronomer.