In fact, the infrared spectrum is divided into two regions.
The star has unusual emission lines in the infrared spectrum.
It would be older, Russian gear, using the infrared spectrum.
Without the aid of special glasses he can only see in the infrared spectrum.
There is no direct data on these features other than images taken in the visible and infrared spectra.
For example, Mercury was not observed in the infrared spectrum until 1995.
Their emission color can be tuned from the visible throughout the infrared spectrum.
The primary data they return is the infrared spectrum in 2378 individual frequencies.
Voice, video, and data travel over three wavelengths in the infrared spectrum.
Without the ability to see in the infrared spectrum, however, that knowledge did her little good at that moment.