PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Less than a couple billion light years, yes, sure there is a problem of seeing a galaxy where it was, but wanting to speak of how far away it is now, which we can estimate from what we can know of the galaxy's motion.
http://www.w3.org/ns/prov#wasQuotedFrom
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