re gamma ray bursters where are they steinly topaz ucsc edu steinn sigurdsson writes in article apr tpl k tplrd tpl oz au keithh tplrd tpl oz au keith harwood writes in article rbl einnip gap caltech edu palmer cco caltech edu david m palmer writes prb access digex com pat writes what evidence indicates that gamma ray bursters are very far away given the enormous power i was just wondering what if they are quantum black holes or something like that fairly close by why would they have to be at galactic ranges david gives good explaination of the deductions from the isotropic edged distribution to whit they are either part of the universe or part of the oort cloud why couldn t they be earth centred with the edge occuring at the edge of the gravisphere i know there isn t any mechanism for them but there isn t a mechanism for the others either what on earth is the gravisphere anyway before it s decay the pioneer venus orbiter had a gamma ray detector as does ulysses they detect the brightest bursts that the earth orbit detectors do so the bursts are at least at oort cloud distances in principle four detectors spaced out by a few au would see parallax if the bursts are of solar system origin the problem with oort cloud sources is that absolutely no plausible mechanism has been proposed it would have to involve new physics as far as i can tell closest to conventional oort sources is a model of b field pinching by comets it s got too many holes in it to count but at least it was a good try steinn sigurdsson lick observatory steinly lick ucsc edu standard disclaimer the laws of gravity are very very strict and you re just bending them for your own benefit b b also if they did come from the oort cloud we would expect to see the same from other stars oort clouds andrew walker
