Additional Works Consulted

Books

Walter Alvarez, T. Rex and the Crater of Doom. Princeton, NJ: Princeton University Press, 1997.

Thomas T. Arny, Explorations: An Introduction to Astronomy. New York: McGraw-Hill, 2001.

Isaac Asimov, Asimov's Guide to Halley's Comet. New York: Walker, 1985.

——, A Choice of Catastrophes. New York: Simon and Schuster, 1979.

——, Counting the Eons. New York: Avon, 1983.

——, Did Comets Kill the Dinosaurs? Milwaukee, WI: Gareth Stevens, 1988.

——, From Earth to Heaven. New York: Avon, 1966.

Commission on Planetary and Lunar Exploration, Exploring the Trans-Neptunian Solar System. Washington, DC: National Academy Press, 1998.

Jacques Crovisier et al. Comet Science: The Study of Remnants from the Birth of the Solar System. Cambridge, England: Cambridge University Press, 2000.

Clifford J. Cunningham, The First Asteroid: Ceres, 1801–2001. Surfside, FL: Star Lab, 2001.

——, Introduction to Asteroids: The Next Frontier. Richmond, VA: Willman-Bell, 1988.

Eugene MacPike, ed., Correspondence and Papers of Edmund Halley. Oxford, England: Clarendon Press, 1932.

Plutarch, Life of Caesar. In Fall of the Roman Republic: Six Lives by Plutarch. Trans. Rex Warner. New York: Penguin Books, 1972.

Seneca, Natural Questions. Trans. John Clark. London: Macmillan, 1910.

Leon Silver and P.H. Schultz, eds., Geological Implications of Impacts of Large Asteroids and Comets on the Earth. Boulder, CO: Geological Society of America, 1982.

Periodicals

Louis W. Alvarez, Walter Alvarez et al., "Extraterrestrial Cause for the Cretaceous-Tertiary Extinction," Science , vol. 208, 1980.

Walter Alvarez and Frank Asaro, "An Extraterrestrial Impact," Scientific American , vol. 263, 1990.

Michael J. Benton, "Scientific Methodologies in Collision: The History of the Study of the Extinction of the Dinosaurs," Evolutionary Biology , vol. 24, 1990.

David L. Chandler, "Asteroid for the Millennium," Astronomy , December 2002.

C.R. Chapman, "Impacts on Earth by Asteroids and Comets: Assessing the Hazard," Nature , vol. 367, 1994.

Clifford J. Cunningham, "Giuseppe Piazzi and the Missing Planet," Sky and Telescope , September 1992.

Daniel D. Durda, "Stepping Stones to Mars," Astronomy , August 2001.

Pamela L. Gay, "Giant Iceball Found Beyond Pluto," Astronomy , January 2003.

David H. Levy, Eugene M. Shoemaker et al., "Comet Shoemaker-Levy 9 Meets Jupiter," Scientific American , vol. 273, 1995.

J.X. Luu and D.C. Jewitt, "The Kuiper Belt," Scientific American , May 1996.

Maggie Mckee, "Comets Split Far from Sun," Astronomy , December 2002.

Virginia Morell, "How Lethal Was the K-T Impact?" Science , September 17, 1993.

David Morrison, "Target Earth," Astronomy , February 2002.

J.H. Oort, "The Structure of the Cloud of Comets Surrounding the Solar System, and a Hypothesis Concerning Its Origin," Bulletin of the Astronomical Institutes of the Netherlands 11 , vol. 91, 1950.

Tom Polakis, "The Comet Seekers," Astronomy , January 2003.

Carol Ryback, "Tearing Apart Asteroid Families," Astronomy , March 2002.

William Schomaker, "Big Fish in the Kuiper Belt?" Astronomy , October 2001.

——, "Space Rocks Bridge the Gap," Astronomy , June 2001.

——, "A Trim New Look for the Oort Cloud," Astronomy , June 2001.

Richard Talcott, "Comet Borrelly's Dark Nature," Astronomy , April 2002.

William S. Weed, "Chasing a Comet," Astronomy , September 2001.

Paul R. Weissman, "The Oort Cloud," Nature , April 1990.

Fred Whipple, "The Black Heart of Halley's Comet," Sky and Telescope , vol. 73, 1987.

Robert Zimmerman, "NEAR-Shoemaker Scores a Touchdown," Astronomy , May 2001.

Internet Sources

Bill Arnett, "Asteroids," May 2003. www.seds.org/billa/tnp/asteroids.html . Good general overview of asteroid types and locations.

Kevin Bonsor, "How Asteroid Mining Will Work," June 2003. www.science.howstuffworks.com/asteroid-mining.htm . Introduces the concept of asteroid mining and provides links to "Valuable Asteroid Resources" and "Extraction and Processing."

Mark Kilner, "Mining Asteroids," April 2001. www.kilnet.freeserve.co.uk/astmine.htm . A brief synopsis of the value of mining asteroids.

Minor Planet Center, Smithsonian Astrophysical Observatory, "Asteroids Near Earth: Retrieval for Materials Utilization," June 2003. www.permanent.com . A large, very useful source explaining the compositions of asteroids and details about how they will likely be mined and otherwise exploited.

NASA, "Asteroids," July 2001. http://nssdc.gsfc.nasa.gov/planetary/text/asteroids.txt . Overview of asteroids, concentrating most on near-Earth asteroids.

——, "Astronomers Discover a Moon Orbiting an Asteroid," October 6, 1999. http://nssdc.gsfc.nasa.gov/planetary/news . Information about a satellite asteroid revolving around the asteroid Eugenia.

——, "Dawn," March 2002. http://nssdc.gsfc.nasa.gov/database/MasterCatalog?sc=DAWN . Overview of NASA plans to rendezvous with the asteroids Vesta and Ceres in 2006.

——, "Deep Impact," April 2003. http://nssdc.gsfc.nasa.gov/database/MasterCatalog?sc=DEEPIMP . Tells about the NASA mission to rendezvous with Comet P/Tempel in 2004.

——, "NEAR Shoemaker Makes Historic Touchdown on Asteroid Eros," February 2001. http://nssdc.gsfc.nasa.gov/planetary/text/near_pr_20010212.txt . Bulletin announcing NASA's landing of a spacecraft on Eros.

——, "New Kuiper Belt Object Discovered, Possibly Larger than Ceres," December 2000. http://cfa-www.harvard.edu . Bulletin about a large object, either an asteroid or a giant comet, found in the Kuiper Belt.

Smithsonian Astrophysical Observatory, "One-Mile-Wide Asteroid to Pass Close to the Earth in 2028," June 2003. http://cfa-www.harvard.edu/iau/pressinfo . Information about the close approach of Asteroid 1997XF in October 2028.