About: http://webisa.webdatacommons.org/77473119

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Radio waves are usually emitted by cold objects, including interstellar gas and dust clouds.
http://www.w3.org/ns/prov#wasQuotedFrom	newworldencyclopedia.org