This Week's Letters

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Science  12 Feb 1999:
Vol. 283, Issue 5404, pp. 937a
DOI: 10.1126/science.283.5404.937a

A group of astronomers and planetary scientists defend Pluto's designation as a planet, saying, “we believe that [Pluto] should be considered as the prototype of a third class of planet.” Letter writers point out that omnidirectional mirrors have been manufactured for at least 30 years. And an atmospheric physicist warns that great care should be taken in using readings from weather satellites to reach conclusions about global warming and its effects.

Letters in This Issue

Pluto's Planetary Status

Robert L. Millis, Richard P. Binzel, Joseph A. Burns, Dale P. Cruikshank, William B. McKinnon, Karen J. Meech, S. Alan Stern; Govert Schilling

Animal Rights Review

F. Barbara Orlans, Tom L. Beauchamp, Rebecca Dresser, David B. Morton, John P. Gluck

Perfect Mirrors, Past and Present

James W. Seeser and Charles K. Carniglia; Jonathan P. Dowling

Brown Dwarf Origins

Ralph Neuhaeuser

Scientific Responsibilty in Global Climate Change Research

S. Ichtiaque Rasool

Corrections and Clarifications

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