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Re: CONCULTURE: dual planets

From:John Cowan <jcowan@...>
Date:Thursday, November 18, 2004, 1:58
Simon Richard Clarkstone scripsit:

> However, if two bodies are tidally locked (e.g. Pluto and Charon), the > orbital distance will not change (if their orbits are elliptical, tides > will tend to make them more circular), and the planets will have the > same view of each other in the same place in the sky all the time.
Eventually the solar tide will push two unequal-sized tidally locked bodies out of sync again, and the Moon will come spiralling in. But this will never actually happen, because the Sun will probably have become a red giant before tidal locking is achieved, never mind before it begins to change. -- I marvel at the creature: so secret and John Cowan so sly as he is, to come sporting in the pool before our very window. Does he think that Men sleep without watch all night? --Faramir