Knowledge


verse and Earth, and to infer information about the environment and space. 
Infrared waves in space
  • Seeing through dustInfrared waves can reveal objects that are hidden by dust. 
  • Studying planet formationNASA's Spitzer and James Webb space telescopes have detected planet-forming disks by sensing infrared light. 
  • Understanding the origins of the universeInfrared space telescopes have helped scientists study the origins of stars, galaxies, and the universe. 
Infrared waves on Earth
  • Monitoring the environment
    NASA satellites use infrared sensors to monitor smoke, forest fires, and Earth's temperature. 
  • Studying vegetation
    Satellites can sense reflected near-infrared radiation to study plant health and productivity. 
  • Understanding climate change
    Satellites use infrared sensors to understand how Earth's temperature changes and how it affects weather. 
NASA has used a variety of infrared space telescopes, including the Infrared Astronomical Satellite (IRAS), the Spitzer Space Telescope, and the James Webb Space Telescope. 

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