Well, this article is meant to refute your first assertion, isn't it? Thus I explore metaphysical antifoundationalism and those three possibilities in the last section.

You're assuming an intuitive, Newtonian concept of "space" which is no longer in force in physics and cosmology.

My point here about absolutes isn't so much that they're inexplicable as that they're explanatorily and semantically empty. But yes, I take the point that we can understand some things without logic or science, via art, for example.