maddog33892
maddog33892 maddog33892
  • 03-05-2018
  • Physics
contestada

If the spectrum of a star is blue shifted, which way is the star moving?

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badddiee
badddiee badddiee
  • 03-05-2018
This shifts the star's spectral lines toward the blue end of the spectrum. If the star ismoving away from us, its waves are effectively stretched out when they reach Earth, increasing their wavelength. This shifts the star's spectral lines toward the red end of the spectrum.
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jdftoo jdftoo
  • 03-05-2018
if it's blue shifted, the star is moving towards us 
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