Changes

The [[universe]] is everything there is in regards to material existence.

[[Universe]] refers to all of material existence or natural things ([[matter]] and [[energy]]). Therefore, everything outside of the universe is not natural or material, but supernatural (things going beyond nature).

 

There have been and continue to be a number of competing ideas about the universe, but most agree that the universe is expanding.

There have been and continue to be a number of competing ideas about the universe, but most agree that the universe is expanding.

The size, shape, and age of the universe, as well as how it began, are, however, all points of contention.

The size, shape, and age of the universe, as well as how it began, are, however, all points of contention.