Black hole caught zapping galaxy into existence?

'The 'chicken and egg' question of whether a galaxy or its black hole comes first is one of the most debated subjects in astrophysics today,' says lead author David Elbaz. 'Our study suggests that supermassive black holes can trigger the formation of stars, thus 'building' their own host galaxies. This link could also explain why galaxies hosting larger black holes have more stars'...

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