Assertion: acceleration's value | /r/HasProperty | obtained
Facets:
value: by comparing these mass functions
type: MANNER
Source sentences:
text: By comparing these mass functions at high and low redshifts to those predicted by different cosmological models, values for w and Ω m are obtained which confirm a low matter density and a non zero amount of dark energy.
text: Recent values can be obtained from the International Earth Rotation and Reference Systems Service (IERS).