zoom_in Click to enlarge

Alexandre Friedmann

▲ ▼

description Alexandre Friedmann Overview

Alexandre Friedmann was a Russian and Soviet physicist and mathematician who made significant contributions to cosmology. In 1922 and 1924, he published papers outlining the Friedmann equations, which provided exact solutions to Albert Einstein's field equations of general relativity. His work demonstrated that the universe is likely expanding, contradicting the contemporary view of a static universe. Friedmann's theoretical framework laid the essential mathematical foundation for modern Big Bang cosmology.

help Alexandre Friedmann FAQ

What are the Friedmann equations in cosmology?

The Friedmann equations are a set of exact mathematical solutions to Albert Einstein's field equations of general relativity. They mathematically describe the expansion of a homogeneous and isotropic universe.

Did Alexandre Friedmann and Albert Einstein agree on the universe?

Einstein initially opposed the idea of an expanding universe, adding a cosmological constant to his equations to keep the universe static. However, Friedmann's mathematical proofs ultimately proved Einstein's original static model was unstable.

When did Alexandre Friedmann publish his equations?

Friedmann published his groundbreaking papers detailing the expanding universe model in 1922 and 1924. His work laid the mathematical foundation for modern Big Bang cosmology.

What was Alexandre Friedmann's profession?

Alexandre Friedmann was a Russian and Soviet physicist and mathematician. He made profound, though initially overlooked, contributions to the field of theoretical cosmology.

swap_horiz

Looking for Alexandre Friedmann alternatives? Compare top competitors ranked & scored

arrow_forward