Assertion: ultraviolet's wavelength | /r/HasProperty | absorbed by molecular oxygen
Facets:
value: strongly
type: DEGREE
value: in the air
type: LOCATION
Source sentences:
text: Vacuum UV, or VUV, wavelengths (shorter than 200 nm) are strongly absorbed by molecular oxygen in the air, though the longer wavelengths of about 150–200 nm can propagate through nitrogen.