James Ludlow Elliot, a professor of planetary astronomy and physics at MIT who discovered the rings of Uranus in 1977, died on March 3 from cancer-related complications. He was 67. Elliot was known as one of the great observational planetary astronomers of the modern era. Among his accomplishments were leading the team that discovered the ring system of Uranus, and discovery of the atmosphere of Pluto. He was committed to excellence in teaching and mentoring, and was a staunch advocate for women in science. Read more