What is Mariner 10?
[[File:Mariner 10.jpg|thumb]] '''Mariner 10''' was a [[Robotic spacecraft|robotic]] [[NASA]] [[space probe]]. It was launched on [[November 3]], [[1973]], to fly by the planets [[Mercury (planet)|Mercury]] and [[Venus]]. It passed Mercury three times and photographed much of it. Mariner 10 is no longer working today but is still orbiting the [[Sun]]. It was launched about two years after [[Mariner 9]] and was the last spacecraft in the [[Mariner program]]. Mariner 10 was the first space probe sent to Mercury.<ref>{{cite web|url=https://solarsystem.nasa.gov/missions/mariner10/indepth|title=Mariner 10: In Depth|publisher=NASA|accessdate=2016-02-20|archive-date=2016-03-06|archive-url=https://web.archive.org/web/20160306030026/http://solarsystem.nasa.gov/missions/mariner10/indepth|url-status=dead}}</ref> == References == <references /> {{Transport-stub}} {{Use American English}} [[Category:Mariner program]] [[Category:Venus]] [[Category:Mercury (planet)]] [[Category:Spacecraft launched in the 1970s]]