Assertion: planet's moon | /r/HasProperty | hydra
Facets:
Source sentences:
text: The moons are Charon (discovered in 1978,), Hydra and Nix (both discovered in 2005), Kerberos originally P4 (discovered 2011) and Styx originally P5 (discovered 2012) official designations S/2011 (134340) 1 and S/2012 (134340) 1.
text: The moons are Charon (discovered in 1978,), Hydra and Nix (both discovered in 2005),
text: Pluto has three known moons, Hydra and Nix, besides its companion moon, Charon.