David H. Levy is a renowned amateur astronomer and author, best known for his discovery of 23 comets, including the famous Shoemaker–Levy 9. He has written more than three dozen books on astronomy, contributed to magazines such as Sky and Telescope and Parade, and appeared on television programs featured on the Discovery and Science channels, bringing his passion for the night sky to a wide audience. His new book is "Star Gazers: Finding Joy in the Night Sky."