Astronomers leverage the electromagnetic spectrum to study the light emitted by planetary objects, which aids in understanding various characteristics like composition, temperature, and motion. Different light wavelengths—such as infrared, visible, and ultraviolet—provide distinct insights; for example, infrared observations can detect the heat radiated by planets and their atmospheres. A notable instance is the Hubble Space Telescope, which captures ultraviolet and visible light from distant exoplanets to analyze their atmospheric makeup, enabling scientists to identify molecules such as water vapor and carbon dioxide. By interpreting this data across the electromagnetic spectrum, astronomers can create a more detailed understanding of celestial bodies and their potential to support life.
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Astronomers utilize the electromagnetic spectrum to analyze the light emitted from planetary objects, helping them understand various properties such as composition, temperature, and movement. Different wavelengths of light, including infrared, visible, and ultraviolet, reveal unique information; for instance, infrared observations can detect heat emitted by planets and their atmospheres. An example is the use of the Hubble Space Telescope, which captures ultraviolet and visible light from distant exoplanets to study their atmospheric composition, allowing scientists to identify the presence of molecules such as water vapor or carbon dioxide. By interpreting this data across the electromagnetic spectrum, astronomers can construct a more comprehensive picture of celestial bodies and their potential for supporting life.
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