The peak intensity of radiation from a star named Sigma is 2 x 106 nm. In what spectral band is thisThe peak intensity of radiation from a star named Sigma is 2 x 106 nm. In what spectral band is this?

The peak intensity of radiation from the star Sigma at 2 x 10^6 nm falls within the infrared spectral band. Specifically, this wavelength is far beyond the visible spectrum, which ranges from approximately 400 nm to 700 nm, and is classified as far-infrared radiation.