A host of hidden black holes have been revealed in a narrow region of the sky, confirming astronomers' suspicions that the universe is loaded with many undetected gravity wells.
This website uses affiliate links. This means that if you click on a link and make a purchase, we may receive a commission. This does not affect the price you pay for the product.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.