A NASA space telescope on a mission to map millions of galaxies has turned on its detectors for the first time, capturing ...

First light for SPHEREx: The new space telescope of the US ... the sky in the infrared spectrum. Each image taken by the telescope consists of six images, one for each of the six detectors ...

The telescope's focus cannot be adjusted in space. The space agency released six images, each colored differently to represent a range of infrared wavelengths. Each image was taken by a different ...