Universe expanded infinitely.

Meaning: This sentence describes how the universe is constantly becoming larger and there is no end to its size.

Choice of Words: Universe is everything that exists, including all of space and time. Expanded means to become larger. Infinitely means without end.

Alternative Expressions

The universe is always getting bigger and bigger.

Meaning: This means that the universe is not a fixed size, but rather it is always growing and expanding. It's like a balloon that is constantly being blown up.

Choice of Words: The universe is everything that exists, including all of space and time. Always means that something happens at all times, without stopping. Getting is a verb that means to receive or obtain something. Bigger means to have a greater size or amount. When you put these words together, "The universe is always getting bigger and bigger" means that the universe is constantly expanding, or getting larger.

The universe is like a giant rubber band that is always stretching.

Meaning: This means that the universe is not a solid object, but rather it is a flexible and expanding entity. It's like a rubber band that can be stretched and returned to its original shape.

Choice of Words: A rubber band is a thin, elastic band that can be stretched and returned to its original shape. Giant means very large in size. When you put these words together, "The universe is like a giant rubber band" means that the universe is vast and can be stretched or expanded.

The universe is like a giant bubble that is always inflating.

Meaning: This means that the universe is not a fixed size, but rather it is always growing and expanding. It's like a bubble that is constantly being blown up.

Choice of Words: A bubble is a thin, spherical membrane filled with air or gas. Inflating means to fill something with air or gas, causing it to expand. When you put these words together, "The universe is like a giant bubble that is always inflating" means that the universe is vast and is constantly expanding, or getting larger.

Related Expressions