Black Hole's Blast Stunts Birth of Stars

Winds blasted out by the giant black holes found at the centre of galaxies are strong enough to stunt the birth of new stars, astronomers have found. By training two space telescopes on a supermassive black hole with the mass of a billion suns, they measured the strength of its ferocious winds. The team also confirmed that these winds blow outwards in every direction, an idea that had been tricky to prove. The work shows how such black holes can affect the evolution of their galaxies.

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