NASA’s $488 Million Space Telescope to Study Cosmic History
NASA is launching a modest but innovative space telescope, SPHEREx, to search for clues about the universe’s early history. The Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer is an infrared telescope with a mirror no bigger than a dinner plate that will survey 450 million galaxies and create a … Read more