Flatness problem

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At a glance

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Notion

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Science and technology

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What Wikipedia says

The flatness problem (also known as the oldness problem) is a cosmological fine-tuning problem within the Big Bang model of the universe. Measurements find the current universe close to perfectly flat and expansion of the universe increases flatness.

Excerpt from the Wikipedia article “Flatness problem”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Auteur inconnu, Public domain, via Wikimedia Commons.