Assertion: doppler effect | /r/HasSubevent | the discovery of dark matter
Facets:
value: of motion
type: OTHER
Source sentences:
text: It unlocked mysteries of distant galaxies and stars and led to the discovery of dark matter and of the actual age and motion of the universe.
text: It unlocked mysteries of distant galaxies and stars and led to the discovery of dark matter and of the actual age and motion of the universe.