| Image search results - "Stephans" |
Stephan's Quintet394 viewsProbably the most famous group of galaxies in the Universe! It became famous because NGC7320 has a much lower redshift that the others around it. Were redshifts really indicators of distance? The answer was yes and NGC 7320 is around 40 million light years away whilst the rest of group is close to 300 million light years. David R.
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