You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser.
-
The simplest mathematical example that illustrates an infinite universe is the number line. With 0 in the middle (although...
-
We start by laying down a "co-moving" coordinate system. In this coordinate system the universe at a particular time is homogeneous. We...
-
The set of comoving objects. Comoving objects are objects that see the universe as homogeneous and isotropic (the same everywhere and in...
-
The idea isn't really so simple under the surface. The debate in this (sub)field is whether this inhomogeneous expansion (backreaction)...
Like.
We start by laying down a "co-moving" coordinate system. In this coordinate system the universe at a particular time is homogeneous. We...