Laniakea Supercluster

In case you weren't aware (like me) of the recent change in the map of our local universe...

Laniakea supercluster containsour galaxy the Milky Way, and 100,000 other nearby galaxies. Let's read that last number again: one hundred thousand (galaxies).

It looks like this:

Here is the link to the article from 2014 that introduced the idea:

http://www.nature.com/nature/journal/v513/n7516/full/nature13674.html

And, here is an image of other nearby superclusters: