Galaxies in the universe generally have redshifted spectra. A student has read about a cluster galaxy with a blueshifted

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Galaxies in the universe generally have redshifted spectra. A student has read about a cluster galaxy with a blueshifted

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Galaxies In The Universe Generally Have Redshifted Spectra A Student Has Read About A Cluster Galaxy With A Blueshifted 1
Galaxies In The Universe Generally Have Redshifted Spectra A Student Has Read About A Cluster Galaxy With A Blueshifted 1 (129.25 KiB) Viewed 51 times
Galaxies in the universe generally have redshifted spectra. A student has read about a cluster galaxy with a blueshifted spectrum. They think it was a galaxy in either the Virgo cluster (at a distance of 20 Mpc from us) or in the Coma Cluster (at a distance of 90 Mpc from us). Estimate whether a blueshifted galaxy in the Virgo or Coma cluster is plausible. Basic qualitative answer: 1 mark Backed up with quantitative estimate: + 2 marks
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