Tag Archive for 'SPHEREx'

The SPHEREx 0.75-5.0μm imaging of 3I/ATLAS taken on December 8 to 15, 2025. Image credit: NASA / arXiv: 2601.06759 / Lisse et al., arXiv: 2601.06759.

3I/ATLAS Shows Signs of Full Cometary Awakening after Perihelion

Jan 19, 2026 by Natali Anderson

According to new observations by NASA’s SPHEREx mission, the interstellar object 3I/ATLAS has dramatically changed its behavior, developing the hallmarks...

This infrared image from SPHEREx features a selection of colors emitted primarily by stars (blue, green, and white), hot hydrogen gas (blue), and cosmic dust (red). Image credit: NASA / JPL-Caltech.

SPHEREx Creates Infrared Map of Entire Sky

Dec 23, 2025 by News Staff

NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer) space telescope has completed its first...