Ask A Scientist

Physics Archive



Index Key:  PHY079
Author:     ham
Subject:    Light in a black hole?
Text:       What happens to light (photons) when it enters a black hole?  Is 
light (photons) consumed?

Response #:  1 of 1
Author:      mooney
Text:        Nobody really knows what happens to it, but it never comes back 
out, and the black hole's mass increases by E/(c^2), where E is the energy of 
the photon.





Back to Physics

This note was taken from a posting on the Electronic Bulletin Board System (BBS)
for Science, Math, and Computer Science K-12 Educators called NEWTON.
NEWTON can be reached at:
http://www.newton.dep.anl.gov or telnet://newton.dep.anl.gov