A dozen new planets . . . and still counting
Astronomers have discovered two new planets orbiting sunlike stars, and another team has found graphic evidence that another sunlike star hosts a complete planetary system.
Butler, R.P. 1998. Weekly Colloquium Lecture. Carnegie Institution of Washington. September. Washington, D.C.
Additional information about the planetary findings is available at the Extrasolar Planets Encyclopaedia Web site at http://wwwusr.obspm.fr/departement/darc/planets/encycl.html.
Butler, R.P., G.W. Marcy, et al. In press. A planet with a 3.1 day period around a solar twin. Publications of the Astronomical Society of the Pacific.
Cowen, R. 1998. Exploring new worlds. Science News 154(Aug. 8):88.
R. Paul Butler
P.O. Box 296
NSW 1710 Epping
University of California, Los Angeles
Division of Astronomy
Los Angeles, CA 90095-1562
David E. Trilling
University of Arizona
Department of Planetary Sciences
P.O. Box 210092
Tucson, AZ 85721-0092
From Science News, Vol. 154, No. 13, September 26,
1998, p. 197.
Copyright Ó 1998 by Science Service.
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