HD 189733 b
HD 189733 b is an exoplanet approximately 64 . 5 light-years away from the Solar System in the constellation of Vulpecula . 
<triplet> HD 189733 b <subj> exoplanet <obj> instance of <subj> Vulpecula <obj> constellation <triplet> Vulpecula <subj> constellation <obj> instance of