This visualization presents a 3-D view of the largest structures in the universe. It begins with data from the Sloan Digital Sky Survey and zooms out to reveal data from WMAP.

One reason it is hard to learn the geography of the local universe is that it is 3-D. A map, as a 2-D object, is easy to spread out on a table so you can learn 2-D relationships between places.

Within the disk, the brightest stars trace out the characteristic ... and map their distribution in space. We are only beginning to learn and explore the geography of the universe.

An international study led by astronomers from Swinburne University of Technology has created the most detailed maps of gravitational waves across the universe ... holes are out there merging ...