The universe might be shaped like a doughnut, not like a pancake, new research suggests

The universe may be flat, but could still be shaped like a doughnut, weird patterns in leftover light from the Big Bang suggest.

The universe might be shaped like a doughnut, not like a pancake, new research suggests
The universe may be flat, but could still be shaped like a doughnut, weird patterns in leftover light from the Big Bang suggest.