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The Abstract

A Vast ‘Cosmic Web’ Connects the Universe—Really. Now, We Can Emulate It.

An emulator called Effort.jl can drastically reduce computational time without sacrificing accuracy, which could help solve longstanding mysteries about the cosmos.
A Vast ‘Cosmic Web’ Connects the Universe—Really. Now, We Can Emulate It.
An artistic interpretation of the Dark Energy Spectroscopic Instrument (DESI) year-one data, showing a slice of the larger 3D map that DESI is constructing during its five-year survey. Image: DESI Collaboration/KPNO/NOIRLab/NSF/AURA/P. Horálek/R. Proctor
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You may have noticed that the universe is pretty big—in fact, possibly infinite. These immense scales offer a challenge for scientists who seek to model the “cosmic web,” a network of large-scale structures that link the universe and intersect at nodes where galaxies accumulate into clusters.

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