Changes

:<math>F=-(d/dx)[E=mc^2(d\tau/dt)]</math>

:<math>F=-(d/dx)[E=mc^2(d\tau/dt)]</math>

where <math>x</math> is displacement in relation to the particle, <math>E</math> is energy of particle, rest or total, rest or total, depending on application, <math>m</math> is mass of particle [[invariant mass|invariant]] or [[relativistic mass|"relativistic"]] <math>m</math>, as energy, depending on application, <math>c</math> is speed of light in vacuum, <math>\tau</math> is proper time of particle, and <math>t</math>, is the time of observer. The most prominent difference between the old prejudice of expansion and reality is the flat spacetime proposed in 1993 by [[Jayant Narlikar]] and [[Halton Arp]]<ref>Narlikar, J. and Arp, H. Flat spactime cosmology - a unified framework for extragalactic redshifts, 1993, Astrophysical Journal, Part 1. </ref>. Explained in my ''"[[Gravitation demystified]]"'', not noticed possibly for low popularity of CP as scientific wiki :).

where <math>x</math> is displacement in relation to the particle, <math>E</math> is energy of particle, rest or total, depending on application, <math>m</math> is mass of particle [[invariant mass|invariant]] or [[relativistic mass|"relativistic"]] <math>m</math>, as energy, depending on application, <math>c</math> is speed of light in vacuum, <math>\tau</math> is proper time of particle, and <math>t</math>, is the time of observer. The most prominent difference between the old prejudice of expansion and reality is the flat spacetime proposed in 1993 by [[Jayant Narlikar]] and [[Halton Arp]]<ref>Narlikar, J. and Arp, H. Flat spactime cosmology - a unified framework for extragalactic redshifts, 1993, Astrophysical Journal, Part 1. </ref>. Explained in my ''"[[Gravitation demystified]]"'', not noticed possibly for low popularity of CP as scientific wiki :).

The flat spacetime requires coupling between time and space such that it makes the time running slower in curved space proportionally to the exponent of distance in the curved space (see the exact relation below).  

The flat spacetime requires coupling between time and space such that it makes the time running slower in curved space proportionally to the exponent of distance in the curved space (see the exact relation below).