Expansion of the universe, stationary universe, contraction of the universe (Achtung !

Unlike our universe, which is now known to be expanding at an accelerating rate, anti-de Sitter space is neither expanding nor contracting.

Unlike our universe, which is expanding, antide Sitter space is neither expanding nor contracting.

Unlike our universe, which is expanding, anti-de Sitter space is neither expanding nor contracting.

Interestingly, Einstein did not like the idea of an ever-expanding universe.

Operational universe without dark matter or dark energy

A physical model universe without dark energy and dark matter

In an expanding Universe, the scale increases with time.

This is precisely the reason Einstein did not like the idea of an expanding universe.

An expanding universe without dark matter and dark energy

The theory of the accelerating universe is a work in progress.

In 1927, Belgian astronomer and physicist Georges Lemaître suggested that the universe is expanding.

However in 1917, the idea that the universe was expanding was thought to be absurd.

However, in 1917, the idea that the universe was expanding was thought to be absurd.

We live in an expanding Universe, whatevery you give your attention to, is expanding.