Matches in DBpedia 2015-10 for { ?s ?p "Explorer 8 was a U.S. research satellite launched on November 3, 1960. It confirmed the existence of a helium layer in the upper atmosphere. Explorer 8 decayed from orbit on 28 March 2012.A replica is on display at the Smithsonian in Washington, DC."@en }
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- Explorer_8 abstract "Explorer 8 was a U.S. research satellite launched on November 3, 1960. It confirmed the existence of a helium layer in the upper atmosphere. Explorer 8 decayed from orbit on 28 March 2012.A replica is on display at the Smithsonian in Washington, DC.".
- Explorer_8 comment "Explorer 8 was a U.S. research satellite launched on November 3, 1960. It confirmed the existence of a helium layer in the upper atmosphere. Explorer 8 decayed from orbit on 28 March 2012.A replica is on display at the Smithsonian in Washington, DC.".