Assertion: photon | /r/CapableOf | engage on the way
Facets:
value: from the core of the sun
type: LOCATION
value: in so many collisions
type: TEMPORAL
Source sentences:
text: For example, photons engage in so many collisions on the way from the core of the Sun that radiant energy can take about a million years to reach the surface; however, once in open space, a photon takes only 8.3 minutes to reach Earth.