DESI launches five-year quest to understand the universe
The Dark Energy Spectroscopic Instrument (DESI), an international collaboration aiming to unravel the mystery of dark energy and fill in our 3D map of the universe, officially began on May 17.
There is a pattern printed on the fabric of spacetime.
Each piece of the pattern looks, in two dimensions, like a circle surrounded by a ring – as if some cosmic hand had thrown pebbles into the dense early universe, creating splash-points and ripples – then suddenly froze the pond.