The Electromagnetic Spectrum
Hugh is a satellite scientist who is trying to understand to what degree climate change is occurring and what effect it is having on the Earth. He uses satellites to observe the Earth, and the main tool in his toolkit is his understanding of the electromagnetic spectrum!
Whether you are getting to grips with climate change or trying to unravel the mysteries of the Universe, observing in only visible wavelengths would be like trying to guess what a jigsaw looked like from only one piece.
Teachers, download this resource to help your students make their own beautiful astronomical image from individual images across the spectrum: Astronomical Art resource PDF