Detecting companions to extrasolar planets using mutual events, arXiv.org Steady-state evolution of debris disks around A stars, arXiv.org Related Keith Cowing Explorers Club Fellow, ex-NASA Space Station Payload manager/space biologist, Away Teams, Journalist, Lapsed climber, Synaesthete, Na’Vi-Jedi-Freman-Buddhist-mix, ASL, Devon Island and Everest Base Camp... More by Keith Cowing