Jan 3, 2007 #1 osirisisis Messages 9 Reaction score 0 How many years does it take for sun to orbit the center of our gallaxy
Jan 3, 2007 #2 neutrino Messages 2,093 Reaction score 2 I think it's somewhere around a quarter of a billion years.
Jan 3, 2007 #3 DaveC426913 Gold Member 2025 Award Messages 24,601 Reaction score 8,934 Yes, 230 million years was the number I know.