Astronomy and Space Technology

Astronomical Spectroscopy

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Astronomical spectroscopy is the study which is used to measure three major bands of radiation: visible spectrum, radio, and X-ray. Though all spectroscopy looks at specific areas of the spectrum, different approaches are required to acquire the signal depending upon the frequency. Ozone (O3) and the molecular oxygen (O2) absorb light with wavelengths only under 300 nm, that means meaning the X-ray and ultraviolet spectroscopy requires the use of a satellite telescope or rocket mounted detectors. Radio signals have much longer wavelengths than of the optical signals and it requires the use of antennas or radio dishes.