Dark Matter

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Originally Posted by NYCshaver

I would think you'd prefer "God did it".

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Making assumptions such as that is bad scientific practice!

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Originally Posted by gugi

You know you have to define 'near' a bit more precisely :)

If god's presence is everywhere, why wouldn't the dark matter's presence be everywhere too. And just like (after some trickery with so called photons) your brain concludes that the single steps in the sand are good enough, the dark matter is only detectable when it wishes to be detected.


It all boils down to how much you want to know, and I may or may not mean it in the biblical sense...

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"Near" would be within the spacetime curvature caused by another astronomical body.


And if dark matter truly were everywhere, then gravitational lensing would not be visible, as the lensing is caused by the change in gravitational density over a given area of space.

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Originally Posted by gugi

Why not 'God made it fall that way'? They are perfectly equivalent at the level of detail you're content to live with.

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How do you know what level of detail I'm content to live with?

Both you, and NYC are leaping to conclusions, making assumptions, and generally exhibiting bad scientific methods.

I just happen to think the guys who dreamed up dark mater are doing likewise!

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Originally Posted by Seraphim

And if dark matter truly were everywhere, then gravitational lensing would not be visible, as the lensing is caused by the change in gravitational density over a given area of space.

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It isn't claimed to be everywhere.

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Originally Posted by Seraphim

Making assumptions such as that is bad scientific practice!

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No actually it's a good guess based on the evidence you've provided here of your beliefs.

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Originally Posted by NYCshaver

It isn't claimed to be everywhere.

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Gugi made that claim whilst lampooning me in a previous post!:)

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Originally Posted by NYCshaver

No actually it's a good guess based on the evidence you've provided here of your beliefs.

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"A good guess", jeesh, scientific method is right out the window!


EDIT:

I also found this, so I'm throwing it out there too :)
http://1.bp.blogspot.com/_WVn0qQZO3C.../dark-halo.jpg

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Originally Posted by Seraphim

"A good guess", jeesh, scientific method is right out the window!

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How do you think the scientific method works?

You think the scientist already knows their hypothesis is correct when they set out to test it?

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Originally Posted by Seraphim

How do you know what level of detail I'm content to live with?

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I derived it from your avoiding of the reproducibility issue.

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Originally Posted by Seraphim

"Near" would be within the spacetime curvature caused by another astronomical body.

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Oh-oh seems like you haven't been doing your quantum field theory homeworks... That would be what a layperson would call everywhere.

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Originally Posted by Seraphim

And if dark matter truly were everywhere, then gravitational lensing would not be visible, as the lensing is caused by the change in gravitational density over a given area of space.

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Why not, if it were just like god, the dark matter can just pull whenever and wherever it feels like pulling. In fact it could just bend the photons so that they create the image of god...

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Originally Posted by Seraphim

I also found this, so I'm throwing it out there too :)
http://1.bp.blogspot.com/_WVn0qQZO3C.../dark-halo.jpg

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Wait, I always thought the 'Saint' labeled part was the one that causes sin :thinking::angel: