Topic: Swift Survey finds 'Smoking Gun' of Black Hole Activation

[sam]

Data from an ongoing survey by NASA's Swift satellite have helped astronomers solve a decades-long mystery about why a small percentage of black holes emit vast amounts of energy.

http://www.physorg.com/news194104301.html

[Clive]

That's a very interesting find Sam. Gravity is so weak yet it causes the most powerful happenings in the Universe.