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

His dream is to do a space walk.

His dream is to walk in space.

He is passionate about exploring his own innerverse.

His dream is to pilot a spaceship.

He is interested in the design of spacecraft.

He is majoring in astronautics.

The theory of the multiverse is particularly interesting in the field of physics.

He walked on the moon wearing a space suit.

I am interested in space exploration.