Also because it was imaging far infrared with wavelengths 100-1000 times that of visible light, the resolution of the optics was much lower and yielded kind of

Also because it was imaging far infrared with wavelengths 100-1000 times that of visible light, the resolution of the optics was much lower and yielded kind of bla images (with a few notable exceptions): https://www.herschel.caltech.edu/images https://www.herschel.caltech.edu/images