Comment by irthomasthomas

Just when you thought the vastness of space could not get any more mind blowing, you learn about filaments and superstructures spanning billions of light years.

https://en.wikipedia.org/wiki/Hercules%E2%80%93Corona_Boreal...

This one measures 10 billion light years. Now recall that 1 light year is about 10 trillion kilometers... tick, tick, tick, boom! Mind blown again.