By definition, blackholes are so dense objects from which photons cannot escape.
Does it mean that a photon emitted within Rs will get smaller and smaller and finally it disappear?
If YES, does the definition violate a basic law of matter: " Matter (include photons) cannot disapear. Matter can only be changed to another form"; and a disapearance of photons also violate Law of conservation of energy.

• yes on one point - fasteddy - September 16, 2002 - 01:50 UTC
• Energy is not lost. - mathman - September 16, 2002 - 03:30 UTC
  • Please explain more - cindy - September 16, 2002 - 16:40 UTC
    • Explain more? - mathman - September 17, 2002 - 03:43 UTC
      • Rs is Schwarschild Radius - cindy - September 17, 2002 - 14:14 UTC
        • Traveling photons - mathman - September 18, 2002 - 03:10 UTC
          • You are so smart - cindy - September 18, 2002 - 13:37 UTC
            • Don't think so. - vorpalblade - September 18, 2002 - 23:35 UTC
            • phtons losing energy - mathman - September 19, 2002 - 04:01 UTC
              • how does light travel? - pu-239 - September 19, 2002 - 05:57 UTC
                • quantum theory - mathman - September 20, 2002 - 04:01 UTC
                • Assume particulate light - jetty - April 3, 2003 - 17:35 UTC
              • Lose energy by Gravity - cindy - September 20, 2002 - 03:57 UTC
                • incorrect belief - mathman - September 20, 2002 - 04:03 UTC
                  • From Red Shift - cindy - September 20, 2002 - 14:47 UTC
                    • Photons are not emitted from black holes - yanniru - September 20, 2002 - 15:45 UTC
                    • Grav redshift... - bruce - September 21, 2002 - 01:58 UTC
                    • red shift from black hole - mathman - September 21, 2002 - 03:49 UTC
                      • all bullshit - pu-239 - September 29, 2002 - 04:52 UTC
                        • Loser! - fasteddy - October 2, 2002 - 05:00 UTC
  • Photon mass - rayredbourne - October 2, 2002 - 17:19 UTC