SPHEREx Stories
Why NASA’s SPHEREx Mission Will Make ‘Most Colorful’ Cosmic Map Ever
The space telescope will detect over 100 colors from hundreds of millions of stars and galaxies. Here’s what astronomers will do with all that color. NASA’s SPHEREx mission won’t be the first space telescope to observe hundreds of millions of…
What is Dark Energy? Inside our accelerating, expanding Universe
Some 13.8 billion years ago, the universe began with a rapid expansion we call the big bang. After this initial expansion, which lasted a fraction of a second, gravity started to slow the universe down. But the cosmos wouldn’t stay…
Construction on NASA Mission to Map 450 Million Galaxies Is Under Way
Key elements are coming together for NASA’s SPHEREx mission, a space telescope that will create a map of the universe like none before. NASA’s SPHEREx space telescope is beginning to look much like it will when it arrives in Earth…
A New NASA Space Telescope, SPHEREx, Is Moving Ahead
The observatory will map the entire sky to study the rapid expansion of the universe after the big bang, the composition of young planetary systems, and the history of galaxies. NASA’s upcoming space telescope, the Spectro-Photometer for the History of…