Photograph of Mars, showing long lava flows, as viewed by Mariner 9. Mariner 9 was an unmanned NASA space probe that contributed greatly to the exploration of Mars. Dated 20th century

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Size: 5107px × 4106px
Location:
Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 20th, 9, archival, archive, astronomy, century, exploration, flow, historical, history, lava, levees, mariner, mars, mons, nasa, natural, nature, olympus, photograph, photography, planet, planets, probe, programme, red, solar, space, system, unmanned, viewed, volcanic, volcano, volcanoes