Distant galaxies and the true nature of dark matter - EurekAlert
At the centre of spiral galaxies – those near to us but also those billions of light-years away – 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 rad…
image: At the centre of spiral galaxies those near to us but also those billions of light-years away there is a vast spherical region made up of dark matter particles. This region has two defining ch… [+6137 chars]
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