Assertion: rayleigh scattering | /r/Causes | the reddening of the sun
Facets:
value: at sunset
type: TEMPORAL
Source sentences:
text: Rayleigh scattering causes the blue color of the daytime sky and the reddening of the Sun at sunset
text: Rayleigh scattering causes the blue color of the daytime sky and the reddening of the Sun at sunset