NASA’s Legacy of Science, Engineering in Retiring Airborne Observatory – NASA https://www.nasa.gov/aeronautics/science-in-the-air/nasas-legacy-of-science-engineering-in-retiring-airborne-observatory/
The Stratospheric Observatory for Infrared Astronomy (SOFIA) was a mission of discovery, revealing unseen – and sometimes unseeable – parts of our universe.
Kraft; JPL-Caltech/J. Keene; SOFIA/L.