1. A region of spacetime where gravity is so strong that nothing, not even light, can escape from within its event horizon
Scientists observed radiation from the black hole using advanced telescopes.
Os cientistas observaram radiação do buraco negro usando telescópios avançados.
2. Figuratively, a place or situation where things disappear or are lost without trace
The project budget became a black hole; nobody knows where the money went.
O orçamento do projeto virou um buraco negro; ninguém sabe para onde o dinheiro foi.