Black holes are enigmatic, swallowing everything within range and letting none escape from their grasp. The scientists refer to them as the great unknown formed when massive stars collapse on themselves such that no stellar force can prevent that. On collapsing their gravitational forces also pull other material into them.
Channels: Astrophysics Aerospace Engineering
Tags: Hubble Space Telescope Chapter 6
Uploaded by: season_31 ( Send Message ) on 24-11-2011.
Duration: 9m 51s