Assertion: kilogram's mass | /r/HasProperty | implied
Facets:
value: by stating the earth's radius
type: MANNER
Source sentences:
text: While the mass of the Earth is implied by stating the Earth's radius and density, it was not usual to state the absolute mass explicitly prior to the introduction of scientific notation using powers of 10 in the later 19th century, because the absolute numbers would have been too awkward.