New study considered a total of 17 possible nontrivial topologies for the cosmos…

Most of those topologies, the authors determined, haven’t yet been ruled out. The study evaluated the signatures that would appear in the cosmic microwave background for different types of topologies. 

Future analyses of that ancient light could reveal hints of these complex topologies, the researchers found. 


The researchers also plan to hunt for signs of nontrivial topology in upcoming data from surveys of the distribution of galaxies in the cosmos, for example from the European Space Agency’s Euclid space telescope.



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