Superclusters

What Are Cosmic Voids?

We talked about the biggest structures in the Universe, but what about the opposite? The biggest empty spaces in the…

5 years ago

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…

7 years ago

Examining the Great Wall

[/caption] Structure exists on nearly all scales in the universe. Matter clumps under its own gravity into planets, stars, galaxies,…

11 years ago

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")…

12 years ago