De Sitter Space
De Sitter Space is a solution to Einstein's equations of general relativity that describes a universe with a positive cosmological constant. It represents an expanding space that is empty except for a uniform energy density, often associated with dark energy. This model helps explain the accelerated expansion of the universe observed in recent astronomical studies.
In De Sitter Space, the geometry is curved, and it can be visualized as a higher-dimensional space. It plays a crucial role in cosmology and theoretical physics, influencing our understanding of the universe's structure and the behavior of black holes and cosmic inflation.