SPHEREx is slated to launch Feb. 27 on a SpaceX rocket. It is meant to map the entire night sky in infrared — something even the JWST can't exactly do.
An eggshell white, conical probe named SPHEREx, which stands for Spectro-Photometer for the History of the Universe, Epoch of Reionisation and Ices Explorer will enter Nasa's space telescope epic ...