TRAPPIST-1b
TRAPPIST-1b , also designated as 2MASS J23062928-0502285 b , is a mainly rocky , Venus-like exoplanet orbiting around the ultra-cold dwarf star TRAPPIST-1 , located approximately 39 light-years ( 12 parsecs ) away from Earth in the constellation Aquarius . 
<triplet> TRAPPIST-1b <subj> exoplanet <obj> instance of <subj> constellation Aquarius <obj> constellation <triplet> TRAPPIST-1 <subj> TRAPPIST-1b <obj> child astronomical body <subj> ultra-cold dwarf star <obj> instance of <subj> constellation Aquarius <obj> constellation