Space
Merging black holes may create bubbles that could swallow the universe
The area between a pair of large black holes on the verge of colliding could provide the conditions to create dangerous bubbles of "true vacuum"
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The area between a pair of large black holes on the verge of colliding could provide the conditions to create dangerous bubbles of "true vacuum"
Some young galaxies with black holes in their centre change their emissions of radio waves far faster than astronomers thought possible