About: http://webisa.webdatacommons.org/221517795

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	Both ice and organic materials which are similar to tar or coal were believed to have been delivered millions of years ago by comets and asteroids crashing into the planet.
http://www.w3.org/ns/prov#wasQuotedFrom	thenews.com.pk