Cosmic voids may contain 20pc of universe's 'normal' matter

February 28, 2016 12:52

Massive cosmic voids, regions of the space thought to be almost empty till now, may actually contain as much as 20 per cent of the 'normal' matter in the universe, a new study has found.

Researchers from the University of Innsbruck in Austria suggest that galaxies make up only 1/500th of the volume of the universe.

Recent measurements of cosmic microwave radiation using modern satellite observatories like The Cosmic Background Explorer, The Wilkinson Microwave Anisotropy Probe and Planck suggest that the composition of the universe consists of 4.9 per cent 'normal' matter, that makes up stars, planets, gas and dust, or 'baryons', whereas 26.8 per cent is

the mysterious and unseen 'dark matter', and 68.3 per cent is the even more mysterious 'dark energy'.

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