SPHEREx launches this week to conduct a cosmic census
An artist’s concept shows SPHEREx in orbit around Earth. Credit: NASA/JPL-Caltech An infrared space telescope launches this week to map the sky not once but four times, and with unrivaled clarity. NASA’s Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer (SPHEREx) will tackle the thorniest mysteries of physics, from what … Read more