Space
Universe’s missing matter may be explained by galaxies leaking gas
The gas that surrounds galaxies appears to be more spread out than previously thought – and this could help solve a mystery over missing matter
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The gas that surrounds galaxies appears to be more spread out than previously thought – and this could help solve a mystery over missing matter
Astronomers have spotted a gargantuan protocluster – the primordial beginnings of a galaxy cluster – by searching near a quasar in the early universe