The universe has recently been commandeered by an invisible energy field, which is causing its expansion to accelerate outward
This article was originally published with the title "The Quintessential Universe"
Jeremiah P. Ostriker
Paul J. Steinhardt
Paul J. Steinhardt is Albert Einstein Professor in Science at Princeton University and director of the Princeton Center for Theoretical Science. His research spans problems in particle physics, astrophysics, cosmology and condensed matter physics.
Credit: Nick Higgins
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