Assertion: terrestrial planet's surface | /r/HasProperty | illuminated by the sun
Facets:
Source sentences:
text: ^ I say then that if there were in nature only one way for two surfaces to be illuminated by the sun so that one appears lighter than the other, and that this were by having one made of land and the other of water, it would be necessary to say that the moon's surface was partly terrene and partly aqueous.