galaxies

Universe’s missing matter may be explained by galaxies leaking gas

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[ad_1] Galaxies like Andromeda have a supermassive black hole at the centre NASA/JPL-Caltech Supermassive black holes appear to be more powerful than our theories suggest, blasting the gas that surrounds galaxies much further away than expected. This finding could help explain several cosmological conundrums, including the fact that the universe seems to be missing large … Read more

Zombie galaxy came back to life after 20 million years

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[ad_1] An artist’s impression of the very distant undead galaxy ESO/M. Kornmesser A strange, zombie-like galaxy has been spotted in the distant universe. This undead galaxy stopped forming stars for 20 million years before coming back to life in a burst of activity, and it could help explain a cosmic mystery about the earliest galaxies. … Read more

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