![A black hole object so compact nothing can escape its gravitational pull Not even light On Earth object needs to be launched Stock Photo - Alamy A black hole object so compact nothing can escape its gravitational pull Not even light On Earth object needs to be launched Stock Photo - Alamy](https://c8.alamy.com/comp/CE8N60/a-black-hole-object-so-compact-nothing-can-escape-its-gravitational-CE8N60.jpg)
A black hole object so compact nothing can escape its gravitational pull Not even light On Earth object needs to be launched Stock Photo - Alamy
![If a black hole's gravity is so great that not even light can escape its pull, why do some black holes, like quasars, emit jets of material? | Astronomy.com If a black hole's gravity is so great that not even light can escape its pull, why do some black holes, like quasars, emit jets of material? | Astronomy.com](http://astronomy.com/~/media/9805B726C4F94151BDF41C501B86BDB0.jpg)
If a black hole's gravity is so great that not even light can escape its pull, why do some black holes, like quasars, emit jets of material? | Astronomy.com
![Black hole breakthrough: Einstein theory tabled after scientist claims light CAN escape | Science | News | Express.co.uk Black hole breakthrough: Einstein theory tabled after scientist claims light CAN escape | Science | News | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/151/590x/Albert-Einstein-s-general-relativity-theory-helped-understand-black-holes-1181657.jpg?r=1569303208626)