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http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • From Popular Science's Brilliant 10: Amy Barger, an astronomy professor at the University of Wisconsin-Madison, uses telescopes such as NASA's Chandra X-Ray Observatory to probe some of the furthest, most mysterious objects in the universe.
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  • nsf.gov