light path curvature

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...

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...