cosmology: energy, time and space

The Largest Galaxy in the known Universe: IC 1101

https://www.youtube.com/watch?v=UE8yHySiJ4A

The Detailed Universe (size)

https://www.youtube.com/watch?v=_IVqMXPFYwI

The Cosmic Web, or: What does the universe look like at a VERY large scale?
https://www.youtube.com/watch?v=74IsySs3RGU

What is the Universe Expanding Into?
https://www.youtube.com/watch?v=kV33t8U6w28

New Discovery about the Fabric of Space-Time

https://www.youtube.com/watch?v=nByekIx7XXw

Unexplained Mysteries in Space 

https://www.youtube.com/watch?v=7hqlWbWGiLI

What We Still Don't Know: "Are We Real?"
https://www.youtube.com/watch?v=oyH2D4-tzfM

Quantum Physics Debunks Materialism

https://www.youtube.com/watch?v=4C5pq7W5yRM

Imagining the Fifth Dimension

https://www.youtube.com/watch?v=eN24Sv0qS1w

1,2, 3, 4...
https://www.youtube.com/watch?v=Q_B5GpsbSQw