Assertion: black hole's layer | /r/CapableOf | swallow the light
Facets:
Source sentences:
text: The dark color of the water is caused by a layer of phototropic microorganisms concentrated in a dense, purple colored layer at 15 to 20 m (49 to 66 ft) depth; this layer "swallows" the light.
text: The dark color of the water is caused by a layer of phototropic microorganisms concentrated in a dense, purple colored layer at 15 to 20 m (49 to 66 ft) depth; this layer "swallows" the light.
text: These circular sinkholes are darker in color than the surrounding water because of a layer of microorganisms that 'swallow' the light.