Hikari is my best friend.

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

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

I bought new at-home clothes.

I was surprised when I saw his dirty room.

The adult son who still lives at home is causing trouble for his parents.

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

The Solar System is composed of eight planets, including Earth.

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

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