<http://webisa.webdatacommons.org/451211513>	<http://www.w3.org/ns/prov#value>	"On the other hand, mapping a planet means concentrating observations on the planet itself, using the spacecraft's instruments to obtain data mainly from the planet's surface and atmosphere." .
<http://webisa.webdatacommons.org/prov/476252211>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/451211513> .
<http://webisa.webdatacommons.org/451211513>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/451211513>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<nasa.gov> .