BLACK HOLES
Their discovery also shows how innovative thinkers have applied fundamental scientific principles to convince themselves that the unlikely might be true...
Black Holes
The Chandra X-ray Observatory Field Guide
Black holes... they're some of the strangest objects in the universe-what happens when gravity triumphs over all other forces.
...and then invented technology to let us see the invisible.
Explains the difference between supermassive, stellar and mini black holes.
The history of X-ray astronomy, what X-rays are, how they are produced, why X-ray telescopes must be in space, and why X-ray astronomy is such a "hot" field.