Matches in DBpedia 2014 for { ?s ?p IC 2497 is a spiral galaxy close to the intergalactic cloud Hanny's Voorwerp.IC 2497 is a former quasar, whose light lit up Hanny's Voorwerp, which is now a light echo of that extinct quasar. It is about 45,000–70,000 light-years (14,000–21,000 pc) away from Hanny's Voorwerp. The quasar shut down sometime in the last 70,000 years.. }
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- IC_2497 comment "IC 2497 is a spiral galaxy close to the intergalactic cloud Hanny's Voorwerp.IC 2497 is a former quasar, whose light lit up Hanny's Voorwerp, which is now a light echo of that extinct quasar. It is about 45,000–70,000 light-years (14,000–21,000 pc) away from Hanny's Voorwerp. The quasar shut down sometime in the last 70,000 years.".