Science
Universe's Possible Shapes Remain a Mystery
Our universe could have one of 18 possible shapes, ranging from flat to more complex geometries like a donut. This theory challenges the widely accepted notion that our cosmos is simply flat.
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Scientific American
Our universe appears flat—but this observation still leaves plenty of options for its true shape. In fact, our cosmos could resemble a donut
2026-05-23 12:00 UTC