Assertion: sun's light | /r/HasProperty | refracted by ice crystals
Facets:
value: in the air
type: LOCATION
value: in the atmosphere
type: LOCATION
Source sentences:
text: Sundogs, light pillars, and other kinds of halos seen in the sky are atmospheric phenomena that occur when light is reflected or refracted by ice crystals in the atmosphere.
text: The clouds appear to form a ring around the sun -- or the moon -- when light reflects off the ice crystals and refracts by passing through them.
text: Light double refracts through the ice crystal, but because of the different size and orientation, a brighter "spot" is now visible within the halo.
text: It also depends on whether the light is reflected or refracted by the ice crystals.
text: So, when light is refracted inside a an ice crystal or water droplet in the air, its broken into its component colors.