[SunkenCiv]

Yeah, that makes sense...

Thanks LucyT for the Yahoo link (which I used to find the original).

[JoeProBono]

Dark matter mapped

3D map by Hubble Space Telescope (in lower left corner) shows clumpy nature of cold, dark matter which is invisible but accounts for most of the Universe's mass. Its gravitational attraction pulls normal matter--the stars in their galaxies--into the large-scale structures seen through telescopes.