Solution

(a) We use equation (5.4) to find the wavelength shift: AA

Doppler shift for a circular orbit.The speed v of the source remains constant, but the direction changes, so the radial velocity vr changes.The angle 0 keeps track of how far around the circle the source has gone.The source velocity is shown for five different values of 0.

0.022 nm

Doppler shift for a circular orbit.The speed v of the source remains constant, but the direction changes, so the radial velocity vr changes.The angle 0 keeps track of how far around the circle the source has gone.The source velocity is shown for five different values of 0.

0 0

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