Why are galaxies observed near the Milky Way, on average, more reddish than galaxies observed far away?
| September 16, 2020 | Education
There is more interstellar matter near the Milky Way, ie, near the plane of our Galaxy. It partially absorbs light and causes a change in its spectral composition – the light from objects passing through interstellar matter “turns red” – the fraction of short-wave radiation in it decreases.
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