Assertion: cosmic dust's matter | /r/HasSubevent | current dilemma
Facets:
value: in modern cosmology?since hubble
type: TEMPORAL
Source sentences:
text: But what is it about dark matter that has led to the current dilemma in modern cosmology?Since Hubble, astronomy has unequivocally claimed the velocities of distant galaxies are given by the redshift of light emission from the galaxy, although Hubble himself questioned the validity of his measurements.