RT @ScienceCalendar: Feb 19, 1473-Birthday of astronomer Nicolas Copernicus, who proposed the theory that Earth and the other planets re ...
Tweet 19/02/2013 08:32 AM
Posted by Bolton School on 19 Feb 2013
Modified by Bolton School on 16 Sep 2023
RT @ScienceCalendar: Feb 19, 1473-Birthday of astronomer Nicolas Copernicus, who proposed the theory that Earth and the other planets re ...