Slavery is considered an inhumane system that deprives people of their dignity.

I am planning my first visit to Ise Shrine next year.

He is an expert in analytical mechanics and deeply understands its theory.

He is known as an expert in psychoanalysis.

The problem of space debris could potentially have a significant impact on future space development.

The study of cosmic rays may hold the key to unraveling the mysteries of the universe.

He proposed a new theory about cosmology.

He believes that aliens exist.

He is reading a book about space flight.

In philosophy, we consider ourselves a part of the macrocosm.