Laniakea supercluster

[Skull]

A mind expanding look, via a four minute video, of the galactic clusters near our Milky Way.

 

[Mac1958]

Mind-blowing.

 

[OldLady]

A mind expanding look, via a four minute video, of the galactic clusters near our Milky Way.

Oh WOW!

 

[Fort Fun Indiana]

A mind expanding look, via a four minute video, of the galactic clusters near our Milky Way.

Great vid!

It raises another mystery of cosmology:

The apparently coordinated movement of clusters of galaxies.

 

[MarathonMike]

Who knows maybe our universe is part of a super cluster of universes.

 

[Skull]

Who knows maybe our universe is part of a super cluster of universes.

But just what is "our" universe? One could call the Milky Way our universe, or the Laniakea supercluster 'our' universe. But even the Laniakea, vast as it is, is only a portion of the known universe. And the extent of the Unknown universe.... ???

 

[Fort Fun Indiana]

But just what is "our" universe?

There are lots of definitions for this. Take your pick, hahah

 

[MarathonMike]

Who knows maybe our universe is part of a super cluster of universes.

But just what is "our" universe? One could call the Milky Way our universe, or the Laniakea supercluster 'our' universe. But even the Laniakea, vast as it is, is only a portion of the known universe. And the extent of the Unknown universe.... ???

One possibility is universes beyond the "envelope" of what we can see. Another might be universes that exist in dimensions not visible to us.

 

[Olde Europe]

Most amazing. And that may not be all there is to Laniakea, as "The Great Attractor" doesn't appear as massive as it was cracked up to be. Instead:

Great Attractor

Debate over apparent mass

In 1992, much of the apparent signal of the Great Attractor was attributed to the effect of Malmquist bias.[7] In 2005, astronomers conducting an X-ray survey of part of the sky known as the Clusters in the Zone of Avoidance (CIZA) project reported that the Great Attractor was actually only one tenth the mass that scientists had originally estimated. The survey also confirmed earlier theories that the Milky Way galaxy is in fact being pulled towards a much more massive cluster of galaxies near the Shapley Supercluster, which lies beyond the Great Attractor, and which is called the Shapley Attractor.[8]​