American Scientist,
astrobiology,
astronomy,
Charles Lineweaver,
Christopher McKay,
Discovery Institute,
earth,
extraterrestrial intelligence,
extraterrestrial life,
galactic habitable zone,
Geoff Marcy,
Hugh Ross,
Icarus,
Intelligent Design,
interplanetary dust particles,
James Kasting,
Jay Richards,
meteorites,
Milky Way,
Peter D. Ward,
Physics Today,
Physics, Earth & Space,
Rare Earth,
Science (journal),
SETI,
solar system,
Steven J. Dick,
The Privileged Planet,
University of Washington,
Woodruff Sullivan
This past January marked the 20th anniversary of the publication of the best-selling and influential book Rare Earth: Why Complex Life Is Uncommon in the Universe, by Peter D. Ward and Donald E. Brownlee. As the subtitle suggests, the authors argue that planets like Earth that have complex life are rare, while simple life may be common. Some Background Brownlee and Ward were, and still are, professors at the University of Washington in Seattle. Brownlee is an astronomer. He specializes in meteorites and interplanetary dust particles. Ward is a paleontologist in the biology department. He specializes in major mass extinction events. He’s also a prolific author, having written 16 books. Mostly positive reviews appeared in leading newspapers and science magazines, including Science, American Scientist, and Physics Today. Even scientists who…