Our universe: An expanding bubble in an extra dimension

Universe exists inside additional dimension

Image Credits: Mohaimen Wareth / EyeEm / Getty.

Uppsala University researchers have devised a new model for the universe – one that may solve the enigma of dark energy.

Their new article, published in Physical Review Letters, proposes a new structural concept, including dark energy, for a universe that rides on an expanding bubble in an additional dimension.

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We have known for the past 20 years that the universe is expanding at an ever accelerating rate. The explanation is the “dark energy” that permeates it throughout, pushing it to expand. Understanding the nature of this dark energy is one of the paramount enigmas of fundamental physics.

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