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of a point of origin. The quantum theory, however, presents interac- tions as emissions of virtual particles. Therefore, gravity originates on a given scale (the point of origin must be material, i.e., strictly corpus- cular), but most of all in a decreasing quantum time flow. In fact, we have seen that a distinction must be made between inertial mass and so-called weighty mass that varies depending on time and space ratios. Let us return to our telescope. In addition to the missing mass pre- venting the dislocation of galaxies, another enigma, related to the first, causes our scientists many sleepless nights: gravitational lensing. This process takes place when a galaxy is exactly behind another. Traditionally, the effect is caused by the mass of the closest galaxy that “reroutes” the photons of the farthest galaxy. The closest galaxy indeed distorts, or warps, the ST around it, causing the path of the photons to be curved, like an optic lens bends light. As a result, the background galaxy may appear to be located to the side of the one that hides it, instead of behind it. Calculations have shown that the mass of this galactic lens should be much greater in order to produce the effects observed (double-imaged quasars or an arch-shaped gravitational mirage). The explanation of this Gravitational lensing Apparent position Hidden of the SS galaxy background galaxy ¢ \ wt! Gravitational lens ww” path formed by the space-time curve. 7 , 7 True path ° f phot ° or proton ZL 4 Path that should be taken 7 by the photons according to the calculated mass of the lensed galaxy. Absolute relativity explains the missing mass by the relative increase of gravity on large scales. Figure 95 The soft sciences: weightier than billions of suns 293 Gravitational lensing space-time curve.