Assertion: doppler effect | /r/CapableOf | give their distances
Facets:
value: as 2,4,6
type: OTHER
value: as 8 billion light years
type: OTHER
Source sentences:
text: Astronomers can look at galaxies with Doppler shifts which give their distances as 2,4,6 or 8 billion light years--assuming the "expansion rate ("the "Hubble constant") was always the same is it is now.