this post was submitted on 14 Nov 2025
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Science Memes

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[–] xylogx@lemmy.world 25 points 1 day ago

Einstein was not sure if the universe was expanding, contracting or static. He famously had a constant he could use to change this:

"...Einstein's cosmological constant, is a coefficient that Albert Einstein initially added to his field equations of general relativity.

Einstein introduced the constant in 1917 to counterbalance the effect of gravity and achieve a static universe, which was then assumed. Einstein's cosmological constant was abandoned after Edwin Hubble confirmed that the universe was expanding."

https://en.wikipedia.org/wiki/Cosmological_constant