Radio waves can be used to study cosmic phenomena such as pulsars, which emit signals that can be detected and analyzed to reveal their rotation speeds and magnetic fields. Infrared radiation allows astronomers to observe cooler objects like dust clouds and newly forming stars, providing insights into their composition and the processes of star formation that are not visible in the light spectrum.
In 2 short sentences, explain an example in which electromagnetic radiation other than visible light can be used to show us more about an object than visible light alone.
Hint: consider some of the examples that were provided within this unit on the universe that emit other types of radiation besides visible light waves.
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