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The main significance of referring to the Event Horizon is that I believe that it's the orbital radius where the orbital velocity is 'c'...
Milk first, definately :-)
Alan - it's as though you're debating whether tea exists or not, while we're discussing how to make it and whether we should put the milk in first.
I thought it was interesting that there might be another particle creation process going on, in addition to Hawking Radiation. Presumably, if particles created by Hawking Radiation can escape the BH then particles created by photon collision could escape too. I'm also wondering if particles created by photon collision could potentially be much more energetic than particles created by Hawking Radiation
By God, you're a MIF (Milk In First). DeBrett's would have you ostracised if they found out!
I'm a scientist and engineer. It saves having to stir it!
The meaning is more that he would see a distant observer's clock running very quickly and, ultimately, infinitely fast as the EH was crossed.