Assertion: sun | /r/CapableOf | reach the ground
Facets:
value: in the absence of local obstacles.[citation
type: CAUSE
Source sentences:
text: About 95% of the UV rays from the sun that reach the ground are UVA rays, with the remaining 5% being UVB rays.
text: Day is usually defined as the period when sunlight reaches the ground in the absence of local obstacles.[citation needed]