Scale: the impact depends on the viewer.
You could see everything in this in 10 seconds.
I spent a good 10 minutes, myself.
I feel very small.
But it's a shame that it didn't show parsecs in the scale.
However, it did teach me about the yottameter. Yotta was not a prefix that I had heretofore known. Interesting. It looks very useful. Well, to someone.