The Night Sky in Infrared

The video explores the significance of infrared light in astronomy, highlighting its ability to reveal objects obscured by dust and its prevalence in the universe. It discusses the challenges of observing infrared light from Earth due to atmospheric absorption and the solutions provided by space-based telescopes like IRAS. The IRAS mission's achievements, including the discovery of new astronomical objects and the first infrared survey of the sky, are detailed. The video concludes with the legacy of IRAS, paving the way for future missions like Spitzer and the James Webb Space Telescope, which aim to further our understanding of the cosmos.

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