Assertion: gamma ray's energy | /r/HasProperty | extremeultraviolet
Facets:
Source sentences:
text: The higher energies of the ultraviolet spectrum from wavelengths about 10 nm to 120 nm (‘extreme’ ultraviolet) are ionizing, but this type of ultraviolet in sunlight is blocked by normal molecular oxygen (O 2 ) in air, and does not reach the ground.