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and backwards somewhat over 12 metres per second.
Because of this the starlight is either crimson-shifted (waves appear longer
and shift in direction of the red part of the sunshine spectrum) when the star
moves away from us or blue-shifted (waves seem shorter and shift in direction
of the blue part of the sunshine spectrum) when the star moves in direction of
us. This causes a change to wavelength of starlight that we document, known as
a Doppler shift.
This causes the star to wobble a little bit, while the planet moves round in its orbit. The
This causes the star to wobble a little bit, while the planet moves round in its orbit. The
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