About HD 41004 A b
HD 41004 A b is a rare exoplanet. It lies about 119.7 light-years from Earth, shines at apparent magnitude 8.65, has spectral type K1/K2 V and spans roughly 13.2 Earth radii.
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.