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Scientists wonder if shape of the universe is like a doughnut
Rather than stretching to infinity and beyond, the universe may have a topology that can eventually be mapped
“We’re trying to find the shape of space,” says Yashar Akrami of the Institute for Theoretical Physics in Madrid, a member of an international partnership called Compact (Collaboration for Observations, Models and Predictions of Anomalies and Cosmic Topology). In his theory of general relativity in 1916, Albert Einstein showed that space can be curved by massive objects, creating the force of gravity. If we manage that – and if it turns out that the cosmic topology makes the universe finite – Akrami imagines a day when we have a kind of Google Earth for the entire cosmos: a map of everything.
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