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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: TimF who wrote (237577)	6/17/2005 3:55:59 AM
From: GUSTAVE JAEGER	Respond to of 1572942

Re: What does it say about the uniqueness of earth? Almost nothing. We have discovered less than two hundred planets, in a universe that literally contains more stars than grains of sand on a beach. The earliest plants that we found were all... ...gaseous planets, aborted stars. The case of telluric planets The detection of a telluric planet is a major challenge and is expected as the next big step in astronomy. It belongs to a "step-by-step" approach which tries to successively search for: * giant planets telluric planets Biologic activity signs *Cases where this life would have led to signals emission ability Their detection around solar type stars is very difficult because of their small masses. Possible detection methods are: coronography, astrometry, radial velocity, timing, gravitational amplification, occultations. [...] corot.oamp.fr europhysicsnews.com