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From: eric gisse on 21 Jul 2010 01:15
Ken S. Tucker wrote:

> On Jul 19, 6:42 pm, mpc755 <mpc...(a)gmail.com> wrote:

[...]

At last, the two great minds meet.

From: mpc755 on 21 Jul 2010 07:38
On Jul 21, 1:15 am, eric gisse <jowr.pi.nos...(a)gmail.com> wrote:
> Ken S. Tucker wrote:
> > On Jul 19, 6:42 pm, mpc755 <mpc...(a)gmail.com> wrote:
>
> [...]
>
> At last, the two great minds meet.

'Hubble Finds Ghostly Ring of Dark Matter'
http://www.nasa.gov/mission_pages/hubble/news/dark_matter_ring_feature.html

"Astronomers using NASA’s Hubble Space Telescope got a first-hand view
of how dark matter behaves during a titanic collision between two
galaxy clusters. The wreck created a ripple of dark matter, which is
somewhat similar to a ripple formed in a pond when a rock hits the
water."

When does the ripple stop? It doesn't.
Where does space transition from dark matter to a void? It doesn't.
Does the ripple reach the Earth? Of course it does.

What does the ripple propagate through on its journey to Earth?
Dark matter.

The ripple is a gravity wave.
The ripple is displaced dark matter.
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