Re: Tweet of the Week... Archived Message Posted by Shyaku on May 14, 2023, 12:37 am, in reply to "Tweet of the Week..." The effects of dark matter can be detected. For example in the rotation rates of galaxies. Message Thread: Tweet of the Week... - Ken Waldron May 11, 2023, 1:43 am Re: Tweet of the Week... - Shyaku May 14, 2023, 12:37 am   Searching