Assertion: solar system's sun | /r/HasProperty | viewed with naked eye
Facets:
value: with optics
type: OTHER
value: comfortably
type: MANNER
Source sentences:
text: During sunrise and sunset, sunlight is attenuated because of Rayleigh scattering and Mie scattering from a particularly long passage through Earth's atmosphere, and the Sun is sometimes faint enough to be viewed comfortably with the naked eye or safely with optics (provided there is no risk of bright sunlight suddenly appearing through a break between clouds).