Solar systems expand.

Meaning: This means that groups of things that work together as a whole and are centered around the sun increase in size or volume.

Choice of Words: Solar refers to the sun. Systems are groups of things that work together as a whole. Expand means to increase in size or volume.

Alternative Expressions

The solar system is getting bigger.

Meaning: The solar system, which includes the planets and other objects orbiting the sun, is expanding and becoming larger.

Choice of Words: Solar system refers to the group of planets and other objects that orbit the sun. Getting bigger means becoming larger in size. By combining these words, we can understand that the solar system is increasing in size.

The planets and stars are moving farther apart.

Meaning: The planets and stars in the solar system are gradually drifting away from each other, making the system larger.

Choice of Words: Planets and stars are celestial bodies that make up the solar system. Moving farther apart means increasing the distance between them. This sentence describes the expansion of the solar system in terms of the movement of its components.

The universe is constantly growing.

Meaning: The solar system is not the only thing expanding; the entire universe is continuously growing and becoming larger.

Choice of Words: Universe refers to the entirety of everything that exists, including the solar system. Constantly growing means continually increasing in size or extent. This sentence provides a broader perspective on the expansion of the solar system by suggesting that it is part of a larger, ongoing process of cosmic growth.

Related Expressions