-20-10: Name the astronomer.      A. He was born in Germany and became famous as a musician before turning to the stars.      
-20-10: Name the astronomer.      A. He was born in Germany and became famous as a musician before turning to the stars.      B. He concluded from the motions of double stars that they are held together by gravitation and that they revolve around a common center, thus confirming the universal nature of Newton's theory of gravitation.      C. On Mar. 13, 1781, he discovered a new planet later named Uranus.
-20-10: Name the astronomer.      A. He was born in Germany and became famous as a musician before turning to the stars.      
Sir William (a.k.a. Friedrich Wilhelm) {Herschel}