PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The diagram shows main-sequence stars of every spectral type except O, along with a few giants and supergiants. ??? ??? ??? The choices below each describe the appearance of an H-R diagram for a different star cluster.
http://www.w3.org/ns/prov#wasQuotedFrom
  • quizlet.com