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Video No. 128+. Small astronomical calculations.
Автор: Impasses et chemins de traverse.
Загружено: 2025-12-21
Просмотров: 3
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#science #astrophysics
What is the ratio of the galaxy's volume to that occupied by the matter of the stars? You might be surprised since the image we have of a galaxy from photos where the stars seem almost contiguous is completely false: the matter of a galaxy is much more rarefied than that of our terrestrial gasses. And this has some important consequences in Cosmology.
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