View Single Post
Old 06-13-2016, 04:18 AM
eburacum45 eburacum45 is offline
Join Date: Feb 2003
Location: Old York
Posts: 2,607
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.