Today, after 16 years of exemplary service, NASA will officially deactivate the Spitzer Space Telescope. Operating for over a decade beyond its designed service lifetime, the infrared observatory ...

which is the far end of the mid-infrared band). PRIMA would be 100 times more sensitive than its precursor missions, NASA's Spitzer Space Telescope and the European Space Agency's Herschel Space ...

and even the infrared Spitzer Space Telescope can register. Like Webb, Spitzer is a cryogenic telescope with a beryllium mirror, but less than one meter in diameter—“a tiny little tiny can ...

The Hubble is just one of NASA's orbiting "great observatories." The group also includes the Spitzer Space Telescope and the Chandra X-ray Observatory. Spitzer is an infrared orbiting telescope ...

NASA’s retired Spitzer Space Telescope captured the same shot in 2006, with scientists then dubbing the stellar jet “the cosmic tornado.” But it was too fuzzy to make out the background ...

This side-by-side image compares the resolution of a distant galaxy imaged by the Spitzer Space Telescope in the near-infrared, left, to a simulated image from the Webb telescope. Disclaimer ...

Launched in 2021 as the successor to the Hubble Space Telescope, Webb observed the scene in the infrared. NASA said in a statement it was “a lucky alignment” of the two unrelated objects. NASA’s ...