Assertion: energy transformation | /r/HasProperty | characterized by various kinds of energy
Facets:
value: usually
type: TEMPORAL
value: over time
type: TEMPORAL
Source sentences:
text: Energy transformations in the universe over time are usually characterized by various kinds of energy, which have been available since the Big Bang, later being "released" (that is, transformed to more active types of energy such as kinetic or radiant energy) by a triggering mechanism.