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Radio astronomy

Astronomical radio source
Object in outer space that emits strong radio waves
Astrophysical maser
Source of energy spectrum emission
Brightness temperature
Temperature associated with the measured intensity and frequency
Megamaser
Type of astrophysical maser with large isotropic luminosity
Radio astronomy
Subfield of astronomy that studies celestial objects at radio frequencies
Radio spectrum pollution
Deviation of radio waves beyond allocations
Spectral index
Measure of the dependence of radiative flux density on frequency (astronomical term)
Submillimetre astronomy
Astronomy with terahertz (< 1 mm)-range light