Warped Structure
When scientists say the universe is flat, it doesn’t necessarily mean it resembles an infinitely-expanding sheet of paper. More study, for instance, is needed to determine whether the universe could be bent into a torus — a donut-like shape still considered “flat” by cosmological models.
“This result shows the power of galaxy surveys to pin down the amount of dark energy and how it evolved over the last billion years,” Portsmouth cosmologist Seshadri Nadathur said in a press release. “We’re making really precise measurements now and the data is going to get even better with new surveys coming online very soon.”
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