By Cheyenne Macdonald For Dailymail.com
Published: 23:02 GMT, 2 January 2019 | Updated: 23:02 GMT, 2 January 2019
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Researchers have proposed a new model that could finally help to explain the expansion of our universe.
For the last two decades, it’s been widely accepted that the universe is expanding at an accelerated rate, driven by an unseen force known as dark energy.
Building off of a concept known as the string theory, the new work proposes the idea that dark energy and our universe are part of an expanding bubble that sits within a fourth dimension.
In the new paper published to the journal Physical Review letters, the team argues that all of the matter in the universe is associated with such strings described in the string theory, which extend out from a bubble in all directions. Artist's impression
According to the radical new model proposed by a team of researchers at Uppsala University, our universe is positioned on the edge of this expanding bubble.
It also incorporates the vibrating stringlike entities said to make up all matter in the string theory.
Though researchers have used the string theory in attempt to explain dark energy, many such efforts have been met with criticism over the last 15 years.
Now, the Uppsala team is hoping to fill some of the gaps in the string theory and our understanding of dark energy’s role in the universe’s expansion with their
