David H. Levy Professions : Astronomer Born : May 22, 1948 Browse All Authors Famous Quotes by David H. Levy Comets are like cats: they have tails, and they do precisely what they want. David H. Levy cat want tails Twinkle, twinkle, little star, David H. Levy stars light sky Similar Authors Arthur Eddington astronomer Antony Hewish astronomer Annie Jump Cannon astronomer Andrea M. Ghez astronomer Allan Sandage astronomer Alar Toomre astronomer All Authors