About HD 125136 b
HD 125136 b is a trash exoplanet. It lies about 395.5 light-years from Earth, shines at apparent magnitude 7.44, spans roughly 13.3 Earth radii and weighs about 718.29 Earth masses.
Too light to be solid rock and too heavy to be all gas: most likely a deep global ocean or a thick steamy envelope over a rocky core.