The room rent is too high, so I'm looking for a new apartment.

He was reading a book about the ancient Egyptian sun god.

I bought new at-home clothes.

A solar day is the time it takes for the Earth to orbit around the Sun.

I was surprised when I saw his dirty room.

The ocean currents can change due to the effect of the solar tide.

He is the type of person who thinks it's a moonlit night if it's bright, so he only has a one-sided perspective.

On nights when the moon shines brightly, I feel special.

He was hit hard in the solar plexus during the boxing match.

The heliocentric theory is the idea that the sun, not the earth, is the center of the universe.