Assertion: kilogram's mass | /r/HasProperty | measured
Facets:
value: indirectly
type: MANNER
Source sentences:
text: The volume and mass of a single atom in the sphere can be measured, which allows metrologists and chemists to refine the Avogadro constant (the number of entities is one mole), and from Avogadro’s number, one can calculate Planck’s via already-known equations.
text: There are a number of ways mass can be measured or operationally defined:
text: The mass of Earth is measured indirectly by determining other quantities such as Earth's density, gravity, or gravitational constant.