cosmological constant

nounAstronomy.

a term introduced by Einstein into his field equations of general relativity to permit a stationary, nonexpanding universe: it has since been abandoned in most models of the universe.

Origin of cosmological constant

First recorded in 1925–30

They also demonstrate, once again, that Einstein’s simplest form of dark energy—the cosmological constant—agrees the most with our observations.
Dark Energy: Map Gives Clue About What It Is—but Deepens Dispute About the Cosmic Expansion Rate | Julian Bautista | July 31, 2020 | Singularity Hub
Those are the three possibilities that make sense in a universe without a cosmological constant, or without dark energy.
This Cosmologist Knows How It’s All Going to End | Dan Falk | June 22, 2020 | Quanta Magazine
The universe, it turns out, expands, and Einstein considered the cosmological constant his “biggest blunder.”
This Week’s Hot Reads: May 20, 2013 | Cameron Martin, Jessica Ferri, Jimmy So | May 20, 2013 | THE DAILY BEAST
But observations today suggest that, indeed, the cosmological constant is necessary.
This Week’s Hot Reads: May 20, 2013 | Cameron Martin, Jessica Ferri, Jimmy So | May 20, 2013 | THE DAILY BEAST

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