Scientific Technology:The Hunt for A Supermassive Black Hole
How do you observe something you can't see? This is the basic question of somebody who is interested in finding and studying black holes. Because black holes are objects whose pull of gravity is so intense that nothing can escape it, not even light, so you can't see it directly. So my story today about black holes is about one particular black hole.
- Added:2010
- Country:USA
- Duration:20
- Time of update:2011/9/19 14:42:39