When light is emitted from a star or galaxy and can be separated into a band of colors, this is called a .....

BIG BANG THEORY

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

When light is emitted from a star or galaxy and can be separated into a band of colors, this is called a ____

A	Doppler Effect
B	Spectrum
C	Wavelengths
D	Red Shift

Explanation:

Detailed explanation-1: -This setup is actually a basic spectrometer. The resultant rainbow is really a continuous spectrum that shows us the different energies of light (from red to blue) present in visible light. But the electromagnetic spectrum encompasses more than just optical light.

Detailed explanation-2: -A spectrum is defined as the characteristic wavelengths of electromagnetic radiation (or a portion thereof) that is emitted or absorbed by an object or substance, atom, or molecule.

Detailed explanation-3: -The spectrum of a galaxy will represent the total light coming from those objects that are contributing the most to the light of the galaxy. These objects will be those that far outnumber other objects, or are the most luminous (red giants), or both.

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BIG BANG THEORY