Willem de Sitter Quote

Since we only consider the universe on a very large scale, and make abstraction of all details and local irregularities, our universe must be homogeneous and isotropic. It follows... that the three-dimensional space of it must be what mathematicians call a space of constant curvature.


Kosmos (1932)


Since we only consider the universe on a very large scale, and make abstraction of all details and local irregularities, our universe must be...

Since we only consider the universe on a very large scale, and make abstraction of all details and local irregularities, our universe must be...

Since we only consider the universe on a very large scale, and make abstraction of all details and local irregularities, our universe must be...

Since we only consider the universe on a very large scale, and make abstraction of all details and local irregularities, our universe must be...