light path curvature

Forum discussion tagged with light path curvature.
  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. akashrao

    curvature of light b/n parallel mirrors

    hello! i exactly can not say where this question fits in but it is like this and i thought it could be related to astronomy and cosmology as well, when thinking about and applying properties of light. i go to a departmental store in which a section, brightly illuminated and laid with multiple...