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Old 06-13-2016, 04:18 AM
eburacum45 eburacum45 is offline
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Join Date: Feb 2003
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When the Sun leaves the Main sequence it will star losing mass comparatively rapidly, due to a vastly increased solar wind. Some estimates say that this loss will be enough to move the Earth's orbit out beyond the edge of the Sun's red giant phase; others aren't so sure.
http://www.astronomy.ohio-state.edu/.../vistas97.html