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The Universe

The Void So Big It Shouldn't Exist

A stretch of space 250 million light-years wide holds almost nothing at all.

Fact-checked · 2 verified sources

Reviewed by the CurioVault curator · 8 October 2026 · Editorial standards

The Void So Big It Shouldn't Exist — AI illustration
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The Boötes Void is 250 million light-years across — so empty that if our galaxy were in the middle, we wouldn't have known other galaxies existed until the 1960s. It contains only 60 galaxies where there should be 2,000.

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#space#cosmology#mystery

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