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Astronomers discovered distant galaxies and the true nature of dark matter

At the centre of spiral galaxies there is a vast spherical region made up of dark matter particles. This region has two defining characteristics. A density that is constant out to a certain radius. It amazingly expands over time and the density decreases. This...

Scientists found oxygen ions in Jupiter’s innermost radiation belts

Earth, Jupiter and Saturn have global magnetic fields of their own. These are surrounded by so-called radiation belts. These belts are trapped in the magnetic field. These have fast moved charged particles like electrons, protons and heavier ions whiz around. These forms invisible and...