Space, time and matter at the edge of black hole and the activities around massive object black holes

 Physically, it is realized that, where there is enormous gravity in the universe today we call it as black holes. These are formed at the center of galaxies and by the collapse of stars. These invisible bodies can be studied by examining matter swelling into them, and by listening to the voice of dispersion they make in space-time. There are a few observations that conforms the indication of gas whizzing about black holes such as x-ray satellites, NASA Chandra x-ray observatory and ESAs XMM Newton. It was also observed that this phenomenon was nearly at speed of light. The figure given below show dark energy and what happens to space and time at the edge of such giant object.       

 Figure: Figure showing dark energy


 Figure: Figure showing black hole



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