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Science Forum Index » Astro - Seti Forum » On the "Galactic Habitable Zone"
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| Joseph Lazio |
 Posted: Wed Dec 13, 2006 10:30 am |
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Guest
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Taking on one of the latest fads:
astro-ph/0612316
Title: On the "Galactic Habitable Zone"
Authors: Nikos Prantzos (Institut d'Astrophysique de Paris)
Comments: 12 pages, 6 figures, Invited talk in "Strategies for
Life Detection" (ISSI Bern, 24-28 April 2006), Eds, J. Bada et
al., to appear in Space Science Reviews
The concept of Galactic Habitable Zone (GHZ) was introduced a few
years ago as an extension of the much older concept of Circumstellar
Habitable Zone. However, the physical processes underlying the former
concept are hard to identify and even harder to quantify. That
difficulty does not allow us, at present, to draw any significant
conclusions about the extent of the GHZ: it may well be that the
entire Milky Way disk is suitable for complex life.
--
Lt. Lazio, HTML police | e-mail: jlazio@patriot.net
No means no, stop rape. | http://patriot.net/%7Ejlazio/
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