Investigating light is no easy task, as telescopes on the ground all suffer from the same predicament: Earth’s atmosphere degrades the images they produce. Furthermore, most kinds of light are not det...Investigating light is no easy task, as telescopes on the ground all suffer from the same predicament: Earth’s atmosphere degrades the images they produce. Furthermore, most kinds of light are not detectable from the surface of Earth at all; they are absorbed by our atmosphere before ever reaching the ground. By the end of this chapter, you will compare and contrast images of a celestial object obtained in three different wavebands of light by three different telescopes.