Superclusters
What Makes a Supercluster?
By eye, it's impossible to pick out the exact boundaries of the superclusters, which are among the largest structures in…
Astronomers Find the Most Massive Supercluster to Date
The Earth’s place in space is a fairly familiar one with it orbiting an average star. The star - our…
This Tiny Dot is one of the Biggest, Most Active Galaxy Superclusters Ever Seen. It Was Already a Monster Shortly After the Big Bang
A newly discovered supercluster of galaxies is so distant that astronomers say its light has been traveling for over twelve…
What Are Cosmic Voids?
We talked about the biggest structures in the Universe, but what about the opposite? The biggest empty spaces in the…
Astronomy Cast Ep. 359: Modern Women: Margaret Geller
Margaret Geller is best known for her work on the large scale structure of the Universe, helping us understand the…
Examining the Great Wall
[/caption] Structure exists on nearly all scales in the universe. Matter clumps under its own gravity into planets, stars, galaxies,…
How Many Atoms Are There in the Universe?
It's no secret that the universe is an extremely vast place. That which we can observe (aka. "the known Universe")…