We need to know about 3 spaces. Bhutakasha,Chittakasha, Chidakasha.
Bhutakasha belongs to body and physical space. All stars, planets belong to this space. This is the objective world.
The objects in Bhutakasha will disappear over a period of time.
Chittakasha is the mental space. Chittakasha is much larger than Bhutakasha. Chittakasha contains memory feelings and information about past and future.
Chidakasha is the space of the spirit - consciousness. This contains both chittakasha and bhutakasha.