Assertion: moon | /r/HasProperty | titania
Facets:
Source sentences:
text: William Herschel discovered the first two moons, Titania and Oberon, in 1787.
text: The first two moons to be discovered were Titania and Oberon, which were spotted by Sir William Herschel on January 11, 1787, six years after he had discovered the planet itself.
text: Oberon was discovered by William Herschel on January 11, 1787; on the same day he discovered Uranus's largest moon, Titania.
text: The eight moons more massive than Oberon are Ganymede Io , Earth's Moon Triton , and Titania ^