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Video Map Shows Large-Scale Structure out to 300 Million Light Years

Researchers with the Cosmic Flows project have been working to map both visible and dark matter densities around our Milky Way galaxy up to a distance of 300 million light-years, and they’ve now released this new video map which shows the motions of structures of the nearby Universe in greater detail than ever before.

“The complexity of what we are seeing is almost overwhelming,” says researcher Hélène Courtois, associate professor at the University of Lyon, France, and associate researcher at the Institute for Astronomy (IfA), University of Hawaii (UH) at Manoa. Courtois narrates the video.

The video zooms into our local area of the Universe — our Milky Way galaxy lies in a supercluster of 100,000 galaxies — and then slowly draws back to show the cosmography of the Universe out to 300 million light years.

Read more about this video here, and read the team’s paper here.

I want to know what the great attractor is.. 

There’s quite a lot of debate about what the true “attractor” is, and even where the “attractor” lies.

We believe the GA and Shapley Sc to be immense concentrations of mass given by observable galaxies and clusters of galaxies, along with unseen mass between the spaces.

The GA (or perhaps, something behind the GA and behind the Shapley Supercluster) is pulling us around 600km/s, and the observable mass we’ve found doesn’t add up to the amount of mass needed for that velocity. So we think that dark matter is lying between the voids of the galaxies and clusters in the GA to make up for the missing mass.

All we know is there is something out there (possibly even behind the Shapley Supercluster) that is pulling us, and we can’t even see all of it.

(Source: secretotaku, via kingkth)

(via jgundam)

(Source: sandandglass, via kingkth)

Gurren Lagann Parallel Works: 「Kittan Zero」

(via kingkth)