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Archive of posts published in the tag: Dark matter

Little dark matter in the early galaxies

Little dark matter in the early galaxies. The analysis of the speed of rotation of six distant galaxies made with the Very Large Telescope has determined that the first galaxies of the universe, dating back some 10 billion years ago, contained much less…


Dark matter

Matter dark. In ¬†astronomy, every form of matter in the Universe that does not emit electromagnetic radiation of any kind, or that it emits with intensity undetectable by instruments. Its presence is indirectly assessed by gravitational effects on the motion of stars and…