I cannot use Thai font now, so I can't edit the article by myself.
But I think there is a flaw in the article: Galileo didn't destroy the belief that our world is flat.
Columbus perhaps did it. I think Galileo might be a very strong supportor of Copernican and Kepler theory,
so that he did many experiments to support the theory. His experiments were very good so that
they strongly influences the way of thinking to many brilliant researchers, e.g. Newton -- จุง 07:59, 9 มิถุนายน 2006 (UTC)
"Though the story of the tower first appeared in a biography by Galileo's pupil Vincenzo Viviani, it is not now generally accepted as true. Moreover, Giambattista Benedetti had reached the same scientific conclusion years before, in 1553."