Assertion: solar system's planet | /r/HasAspect | satellite
Facets:
Source sentences:
text: Planets around other stars are likely to have satellites as well, and although numerous candidates have been detected to date, none have yet been confirmed.
text: by composition: terrestrial or rocky planets: Mercury, Venus, Earth, and Mars: The terrestrial planets are composed primarily of rock and metal and have relatively high densities, slow rotation, solid surfaces, no rings and few satellites.