77K views · 4.1K reactions | Our Spitzer Space Telescope's mission comes to an end today, after 16 years of discoveries. As one of our Great Observatories, Spitzer's superpower was observing the universe in infrared light — and revealing its hidden side: https://go.nasa.gov/31jryWB | NASA - National Aeronautics and Space Administration | Facebook

After 16 years of amazing infrared discoveries throughout the cosmos, NASA's Spitzer Space Telescope mission is coming to end. We will host a live program at 1 p.m. ET on Jan. 22 to celebrate the far-reaching legacy of one of our four Great Observatories. https://go.nasa.gov/38emGUJ | NASA - National Aeronautics and Space Administration