Question #65b23

1 Answer
Xenoz
Feb 4, 2018

The easiest way to determine the mass of the star is by using the Doppler shift.

Explanation:

Doppler shift is defined as the change in the in wavelength of the radiation emitted by a source as it moves radially towards or away from the observer.

Red shift is observed when the wavelength from the radiation of the source increases indicating that the source is moving away.

Blue shift occurs when the wavelength from the radiation decreases, indicating that the source moves towards the observer.

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