Autor: David A.J. Seargent

David Seargent is a former lecturer in Philosophy with the Department of Community Programs at the University of Newcastle in Australia and is now a full-time writer. He is the author of the very popular Comets: Vagabonds of Space (Doubleday), formerly a contributing editor on comets to Sky & Space magazine, and currently author of the regular comet column for Australian Sky & Telescope (the southern hemisphere edition). He was co-author with Joseph Marcus, of a paper published in 1986 entitled „Dust forward scatter brightness enhancement in previous apparitions of Halley’s comet“ (Proceedings, 20th. ESLAB Symposium on the Exploration of Halley’s Comet, Vol. 3, B. Battrick, E. J. Rolfe and R. Reinhard, eds. ESA SP-250. European Space Agency Publications). He was also the Australian co-ordinator for visual observations during the International Halley Watch, 1985-6.