Assertion: green laser | /r/HasProperty | visible
Facets:
value: at night
type: TEMPORAL
value: due to rayleigh scattering and airborne dust
type: CAUSE
value: through scattering from air molecules
type: MANNER
Source sentences:
text: Because even a low-powered green laser is visible at night through Rayleigh scattering from air molecules, this type of pointer is used by astronomers to easily point out stars and constellations.
text: Green laser is visible at night due to Rayleigh scattering and airborne dust, allowing someone to point out individual stars to others nearby.