The electromagnetic spectrum contains various types of radiation with dierent properties. The
James Webb Space Telescope is not like an optical telescope at home and does not capture visible
light; instead, it observes the sky in the infrared spectrum.
Explain what infrared radiation is and answer the following questions: How is infrared radiation
dierent from visible light? Why does the JWST observe infrared light, and what are the scientific
advantages for astronomers?
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