He loves physics and studies it in the library almost every day.

I am majoring in physical chemistry at university.

He is a world-famous physicist.

He understands the importance of learning.

He is majoring in psychology.

Gaku is my best friend.

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.