Alexander Friedmann
Russian mathematician who derived the Friedmann equations for an expanding universe, predicting cosmic evolution mathematically.
Quotes by Alexander Friedmann
The universe is not static; it is expanding.
There is no reason to assume that the universe is static.
The solutions of the equations of general relativity allow for an expanding universe.
The universe can be either expanding or contracting, but not static.
The idea of a static universe is an artificial construct.
My work shows that the universe is dynamic.
The curvature of space is not necessarily constant.
The universe can have positive, negative, or zero curvature.
The density of matter determines the fate of the universe.
The universe may expand forever, or it may eventually collapse.
My equations describe the evolution of the universe.
The universe is not eternal; it has a beginning and an end.
The universe is not infinite in time.
The universe is not infinite in space.
The universe is a dynamic entity, constantly changing.
The universe is not a fixed stage, but an evolving drama.
My models provide a framework for understanding the cosmos.
The universe is not a simple, static system.
The universe is a complex and fascinating object of study.
The universe is not what we once thought it was.