PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But, scientists now say that sunspot warmth is in the form of ultraviolet rays that warm the upper stratosphere and never make it to the surface, while when sunspots aren???t present the sun mostly emits visible light that does reach us.
http://www.w3.org/ns/prov#wasQuotedFrom
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