Assertion: nebula's helium | /r/HasProperty | fused into oxygen
Facets:
Source sentences:
text: When a very large star exhausts its supply of hydrogen and helium it has enough power to continue to fuse elements in its core, so helium will be fused into carbon and oxygen, carbon and oxygen into magnesium and neon and so on through the common elements.
text: When a very large star exhausts its supply of hydrogen and helium it has enough power to continue to fuse elements in its core, so helium will be fused into carbon and oxygen, carbon and oxygen into magnesium and neon and so on through the common elements.