Unreal engine 5 sun looks weird. How to fix this?

I am new to UE5 and trying to learn.
As UE5 is new there is not muhc topics related to this (i think).
I have an issue with sun. If i look more durectly to sun my screen gets all white “fogy” loght
Image should explain everything.

I found solution.
Basically this makes it lake this.
If you change number to default problem goes away or changes smaller.
I am yust wondering what to do in order to see sun shape also not just like this

And more update.
Do not delete “SM_SkySPhere” as when you delete it you get issue what i have described above. When you have object and scale “Source Angle” you wont get that issue anymore.