#Increasingly precise measurements of the advance of the perihelion of Mercury, which show a shift outside the margin of error predicted by relativity.<ref>See, e.g., the discussion at [[Talk:Essay:Quantifying_Order]].</ref> | #Increasingly precise measurements of the advance of the perihelion of Mercury, which show a shift outside the margin of error predicted by relativity.<ref>See, e.g., the discussion at [[Talk:Essay:Quantifying_Order]].</ref> |