black hole

Forum discussion tagged with black hole.
  1. adipkas

    See earth history

    Hi friends, There is a thought process that intrigues me. If light reflected from earth reaches a blackhole farther that formation of eath lightyear distance. Slingshot the ray back to earth, and on earth we somehow capture those radiation. Assuming signal lost is very low somehow. Any comment...
  2. S

    Question Quasar

    What is difference between a Black hole and a Quasar ?
  3. S

    Question Gravitational Power

    Which one has more gravitational power ?- A Neutron Star or a Black Hole ?