From the point of view of a microbiologist, the Hubble equation describes the expansion of the Universe as an exponential growth phase of a colony of microbes-galaxies on the surface of a dark nutrient medium. In the microbial model, the growth of a colony is carried out by the reproduction of galaxies by binary fission with a generation time of 5*10^9 years. The currently observed number of galaxies of the order of 10^11 corresponds to 35 generations in the model.
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On the site [1] there is a short accessible description of the growth of a colony of microbes or a population of bacteria.
In the exponential phase, the growing bacterial population doubles at regular intervals, called the generation time. Growth is by geometric progression: 1, 2, 4, 8, etc. or 2^0, 2^1, 2^2, 2^3.........2^n, where n - the number of generations.
Figure shows a mathcad-file of calculations for a microbial model that simulates the expansion of the Universe in accordance with the empirical Hubble equation with the parameter H0=2.2*10^-18 Hz [2].
I note that at present it is customary to consider the observed cases of pairwise adjoining galaxies as a picture of their merger or collision [3-4].
The microbial model forces us to consider them as a picture of the reproduction of galaxies by binary fission. This interpretation looks more alive and allows you to slightly go beyond the mechanistic models of the Universe.
![[]](/img/a/aksajskij_w_a/ava_microbial_model_expansion_universe_eng/ava_microbial_model_expansion_universe_eng.jpg)