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School of Science

Behrend College
 

Darren Williams

Associate Professor of Physics and Astronomy

Penn State Erie, The Behrend College

School of Science
Station Road; Erie PA 16563-0203
phone: 814-898-6008
fax: 814-898-6213
email: dmw145@psu.edu

• Williams, D.M., J.F. Kasting, and K. Caldeira 1996. Chaotic obliquity variations and planetary habitability. In Circumstellar Habitable Zones--Proceedings of the First International Conference. L. Doyle ed. Travis House Pub.; Menlo Park CA, pp. 43-62.
  
  
• Williams, D.M., J.F. Kasting, and R.A. Wade 1997. Habitable moons around extrasolar giant planets. Nature 385, 234-236.
  
  
• Williams, D.M., and J.F. Kasting 1997. Habitable planets with high obliquities. Icarus 129, 254-268.
  
  
• Williams, D.M. 1997. The susceptibility of Earth-like planets to large obliquity variations. In the proceedings of the workshop on "Planetary Systems: the Long View", 9th Rencontres de Blois, June 22-28 1997; Blois, France. L. Celnikier ed. pp. 415-419.
  
  
• Williams, D.M. 1998. The stability of habitable planetary environments. Ph.D. Dissertation, The Pennsylvania State University. 140 pp.
  
  
• Williams, D.M., Kasting, J.F., and Frakes, L.A. 1998. Low-latitude glaciation and rapid changes in the Earth's obliquity explained by obliquity-oblateness feedback. Nature 396, 453-455.
  
  
• Heath, M.J., Williams, D.M., and Doyle, L.R. 2000. Extrasolar Planetary Complex Biosphere Organization as Exemplified by Earth-Type Forest Ecosystems. Bioastronomy `99: A New Era in Bioastronomy. Lemarchand, G.A. and Meech, K.J., eds. ASP Conference Series Vol. 213. pp 183-186.
  
  
• Williams, D.M. and Pollard, D. 2000. Earth-Moon Interactions: Implications For Terrestrial Climate and Life. In The Origin of the Earth and Moon. R.M. Canup and K. Righter Eds., Arizona Press; pp. 513-525.
  
  
• Williams, D.M. and Szklenski, S. 2001. Following the Martian Sun. Astronomy (July 2001). p. 51.
  
  
• Williams, D.M. and D. Pollard. 2002. Habitable Planets on Eccentric Orbits. In The Evolving Sun and its Influence on Planetary Environments. B.A. Montesinos, A. Gimenez, and E.F. Guinan, eds., ASP Conference Series Vol. 269. pp. 201-213.
  
  
• Williams, D.M. and D. Pollard. 2002. Earth-Like Worlds on Eccentric Orbits: Excursions Beyond the Habitable Zone. International Journal of Astrobiology. 1(1), 61-69.
  
  
• Williams, D.M. and R. Knacke. 2004. Looking for Planetary Moons in the Spectra of Distant Jupiters. Astrobiology. 4(3), 400-403.
  
  
• Gaidos, E. and D.M. Williams. 2004. Seasonality on terrestrial extrasolar planets: inferring obliquity and surface conditions from infrared light curves.New Astronomy. 10(1), 67-77.

• All Possible Worlds. Economist. (January 1997). pp. 71-73.
  
  
• Worlds Beyond the Sun. Research/Penn State Magazine. (January 1997). V18:14-18.
  
  
• In Search of Habitable Moons. Science Journal of The Pennsylvania State University, Eberly College of Science. (Spring 1997). V14:7-8.
  
  
• Mooning Over Life in the Cosmos. Science News. (November 1997). p. 328.
  
  
• Are Tilted Planets Habitable? Astronomy. (February 1998.) p. 30.
  
  
• Thank the Moon You're Here. Sky and Telescope. (March 1998). pp. 20-21.
  
  
• Habitable Moons. Sky and Telescope. (December 1998). pp. 50-56.
  
  
• As the World Turns, and Maybe, Tilts. National Geographic. (September 1999). intro. pages
  
  
• Circles of Life. Discover. (November 2002). pp. 42-47.