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The Sun spectra is considered continuous.
A continuous spectrum is seen in a rainbow.
Two common sources of continuous spectra used in emission spectroscopy are the electrical discharge lamps and the incandescent lamps. Electrical discharge lamps, such as the mercury vapor lamps, produce continuous spectra due to the excitation of atoms or molecules in the gas discharge. Incandescent lamps, on the other hand, produce continuous spectra because of the thermal emission from the hot filament.
an emission spectrum that consists of a continuum of wavelengths.
Spectra
Discontinuous Spectra, Fraunhofer lines
The electromagnetic spectrum includes electromagnetic waves with a continuous flow of the wavelength.
You can use spectra to estimate the temperature of the star: astronomical thermometer
Continuous spectra of light are formed by all forms of white light. This includes light produced by common light bulbs like incandescent and fluorescents.
The electromagnetic spectrum is the name for the range of electromagnetic waves when they are placed in order of increasing frequency. The electromagnetic spectrum is made up of radio waves, infrared rays, visible light, ultraviolet rays, X-rays, and gamma rays.
Paul Francis Buerger has written: 'Theoretical continuous and line spectra of stars in a close binary system' -- subject(s): Astronomical spectroscopy, Spectra, Double stars
In communications, a continuous frequency voltage or electromagnetic wave capable of being modulated or impressed with a second signal which carries the information to is transmitted.