Experts meet to decide Pluto fate, Finally we'll know what a 'planet' is... |
Experts meet to decide Pluto fate, Finally we'll know what a 'planet' is... |
Aug 14 2006, 06:06 AM
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Member Group: Members Posts: 295 Joined: 2-March 04 From: Central California Member No.: 45 |
-------------------- Eric P / MizarKey
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Aug 16 2006, 07:47 PM
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Senior Member Group: Moderator Posts: 3233 Joined: 11-February 04 From: Tucson, AZ Member No.: 23 |
now that I have heard the rational for the double planet scenario (like Pluto-Charon), I am a bit more confortable with it. Basically, they are using historical prescedent to influence this part of the definition. For example, a binary star system may consist of two vastly different worlds, say a blue giant and a red dwarf. The barycenter is located outside either star, but most importantly, both are considered stars. It isn't one blue giant star, and a red dwarf planet (or some such). They are just two stars in the same system. one scenario contemplated was the possibility of two extrasolar gas giants orbiting around a common center of mass. Are both planets? Is only the largest a planet?
-------------------- &@^^!% Jim! I'm a geologist, not a physicist!
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