Scientists are searching for clues that the universe may be finite and globally connected rather than infinite.

By analyzing the cosmic microwave background and galaxy patterns, the COMPACT collaboration is looking for repeating structures that could reveal whether traveling far enough through space might eventually bring you back to where you started.

Thank you for listening to Bedtime Astronomy — your guide to the cosmos. New episodes on space exploration, NASA missions & the latest astronomy breakthroughs.

This episode includes AI-generated content.