One more- Astronomy - Black sky areas?

Factual Questions
1

Ok, while were on an Astronomy roll, help me understand why this is:

As far as we know space and the stars keep on going, right? I mean, we haven’t found and end to them yet.

So why is there “black areas between stars”. Why don’t we see a star ( or light from one ) at every point in the sky?

2

https://www.straightdope.com/columns/read/1356/why-is-the-night-sky-dark/

The Master speaks

3

That’s called “Olber’s paradox,” and it’s due to interstellar dust.

ETA: OK, I see the Cecil say’s it’s not dust…

4

Are you familiar wih the Hubble deep field?