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Albert Einstein · Place

General Relativity

1 Einstein records associated with General Relativity.

Albert Einstein in his Berlin office around 1920
Albert Einstein in his Berlin office, about 1920. Unknown photographer — public domain. Wikimedia Commons source.

Cosmological Constant Introduced

1917 · General Relativity · United States of America · Astronomy

Einstein adds the cosmological constant to his gravitational field equations to permit a static universe, creating the mathematical term later associated with dark energy.