Assertion: planet | /r/HasAspect | moon
Facets:
Source sentences:
text: Every planet except Mercury and Venus has at least one natural satellite, or moon.
text: Terrestrial planets can have multiple continents ; any planet can also have multiple moons or any natural satellite.
text: As time progressed however, astronomers discovered that the moon isn’t exactly unique to earthlings, and other planets had their own moons.
text: Each planet is dominated by a single environment, or biome, and may have one or more moons.
text: Moon is the correct answer but almost all the planets have moons so this is not an appropriate answer, our Earth's moon name is Luna