About: http://webisa.webdatacommons.org/64683923

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	Since it is the closest to the Sun, Mercury is the most difficult planet to see because it is always seen quite near to the Sun in the sky and the Sun's glare or the bright sky usually overwhelms the planet's light.
http://www.w3.org/ns/prov#wasQuotedFrom	eso.org