photometric binary photometric brightness photometric integrator photometry photomicrocopy photomicrograph photomicrographic apparatus photomodulator photo multiplier photomultiplier tube photomuon photon photon amplification photon-coupled pair photoneutron photon gas photonic photon-induced action photon momentum photon rocket |
photometric binary фотометрична двойна звезда Търсената дума е намерена |