Omicron Wrote:If something were to somehow be a white hole, powerful enough to have an even horizon that spanned the galaxy, how long would it take for it to completely throw out all its mass?
the thing is, a white hole is just the time reversed version of the schwarzchild metric. it contains a singularity at r = 0, and an event horizon where nothing that is outside can pass inside. a black hole doesn't actively s00k in matter - only matter (or radiation) on trajectories that intersect its event horizon will fall in. it's hard to say how a white hold would behave, or that it would necessarily radiate anything unless its singularity were to somehow "shed" bits of matter or radiation - but then if all its matter were concenrated near r = 0 but not in it, it would most likely explode in an instant. it's a curiosity, but purely a mathematical one according to all observations, both in cosmology and in our particle accelerators.
And then wouldn't we be finding particles in this present day universe that repel all other matter?
as far as we know, there are no particles with negative mass. i'm not sure that any quantum gravity candidates predict such things either. it's hard to say what a white hole would be made out of or contain or emit.
It is just an idea, one which I don't pretend to understand.
understood. frankly, i think that's what humphries and his fellow professional creationists rely on for their credibility, sadly.
But Lank, you say that those sciences support evolution, well, yes, most people think that. Because that's all they are ever told.
with all due respect, evolution happens and has happened. it's not that that's all anyone is ever told - it's what happens in the lab, it's what happens in selective breeding programs, it's what we observe by the twin nested hierarchies, by palaeontology (there's more than one sequence of fossils showing the evolution and evolutionary radiation of some genera or families in quite good detail - not to mention the spectacular prediction that a creature like tiktaalic (a fish-amphibian transitional) would be discovered in exactly the layers of rocks in exactly the part of the world that it should have been in only if mainstream geology and evolution are correct) and genetic analyses and much, much more. people (including people that i know personally and have seen at work) make it happen and see it happen, and an overwhelming amount of evidence exists that it has happened.
Geology supports a world wide flood.
i respectfully and absolutely disagree with that statement. just one of many, many, many reasons why: incised meanders.
But that was me replying to your replies. Lets not start an evolution - creationism debate, not here on OoH! That's not what this place is about.
true enough. i'm happy to have a discussion with you on the topic, if you're interested, but you're quite right we shouldn't clutter up OoH with it! peace.