Assertion: deuterium | /r/CapableOf | fuse to helium
Facets:
value: quickly
type: MANNER
value: in stars
type: LOCATION
Source sentences:
text: At this point, there was a sudden burst of element formation (first deuterium, which immediately fused to helium).
text: Since deuterium quickly fuses to helium in stars, the deuterium on Earth is considered "pure", as it was formed shortly after the Big Bang.