The ritsuryō system was a system that ruled ancient Japanese society.

His voice felt very warm.

He subjugated this land and built a new kingdom.

He can always maintain his calmness.

We discovered a new planet.

The geology of this area is mainly composed of aqueous rocks.

He will become an adult next year.

Next year, my younger brother will have his coming-of-age ceremony.

Pluto is a dwarf planet located at the outermost part of the solar system.

While rotating on its axis, the Earth orbits around the sun as a satellite.