Hughes has published over 200 research papers on asteroids , comets , meteorites and meteoroids .
David W. Hughes ( born 7 November 1941 ) was a professor of astronomy at the University of Sheffield , where he worked since 1965 .
professor has published over 200 research papers on asteroids , comets , meteorites and meteoroids .
David W. Hughes ( born 7 November 1941 ) was a professor of astronomy at the University of Sheffield , where he worked since 1965 .