How much energy would be required to create a black hole such that the event horizon is the diameter of one femtometer, since black holes themselves are points? - Quora
![Compilation of black hole mass and bolometric luminosity measurements... | Download Scientific Diagram Compilation of black hole mass and bolometric luminosity measurements... | Download Scientific Diagram](https://www.researchgate.net/publication/330916134/figure/fig3/AS:723523081351171@1549512753734/Compilation-of-black-hole-mass-and-bolometric-luminosity-measurements-in-quasars-The.png)
Compilation of black hole mass and bolometric luminosity measurements... | Download Scientific Diagram
![Brian Greene on Twitter: "Hawking radiation has never been detected because the temperature of a typical black hole is miniscule. Using the formula, the Hawking temperature of a solar mass black hole Brian Greene on Twitter: "Hawking radiation has never been detected because the temperature of a typical black hole is miniscule. Using the formula, the Hawking temperature of a solar mass black hole](https://pbs.twimg.com/media/D3W6xNJWkAA7BmO.jpg)