Assertion: aurora borealis's energy | /r/CapableOf | excite red line of oxygen
Facets:
value: mainly
type: DEGREE
Source sentences:
text: Such low energies excite mainly the red line of oxygen so that often such auroras are red.
text: Such low energies excite mainly the red line of oxygen, so that often such auroras are red.
text: Such low energies excite mainly the red line of oxygen so that often such auroras are red.