Assertion: dark matter | /r/CapableOf | emit no light
Facets:
Source sentences:
text: Dark matter, which exerts gravitational pull but emits no light, isn't something anyone's ever touched or seen.
text: Unlike normal matter, dark matter does not reflect or emit light and does not interact with the electromagnetic force.
text: Dark matter emits no light — indeed no radiation of any kind that can be directly detected.