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To date, no satisfactory theory of quantum gravity has been advanced, but research continues.  

To date, no satisfactory theory of quantum gravity has been advanced, but research continues.  

==See also ''"[[Gravitation demystified]]"''==

===See also ''"[[Gravitation demystified]]"''===

''"[[Gravitation demystified]]"'' explains [[Einsteinian gravitation]] in terms of curvatures of space and time (while assuming the spacetime being ''flat'' since the sum of two curvatures may come out as intinsically ''flat'', or [[Minkowski]] spacetime) explaining on its way the phenomenon of [[cosmological redshift]] as caused by the curvature of space coupled with the time (the time runing slower at the deep space galaxies roughly proportionally to distance, in fact exponentially slower).

''"[[Gravitation demystified]]"'' explains [[Einsteinian gravitation]] in terms of curvatures of space and time (while assuming the spacetime being ''flat'' since the sum of two curvatures may come out as intinsically ''flat'', or [[Minkowski]] spacetime) explaining on its way the phenomenon of [[cosmological redshift]] as caused by the curvature of space coupled with the time (the time runing slower at the deep space galaxies roughly proportionally to distance, in fact exponentially slower).