{
    "id": 559,
    "url": "https://svs.gsfc.nasa.gov/559/",
    "page_type": "Visualization",
    "title": "Mars",
    "description": "The true global geography of Mars first emerged with comprehensive maps from Mariner 9 and Viking during the 1970's. This visualization tours the Red Planet using the Viking data set, hitting such features as the Valles Marineris canyons and the Olympus Mons volcano. || ",
    "release_date": "1999-01-21T12:00:00-05:00",
    "update_date": "2023-05-03T13:59:22.617541-04:00",
    "main_image": {
        "id": 543966,
        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a000500/a000559/a000559_pre.jpg",
        "filename": "a000559_pre.jpg",
        "media_type": "Image",
        "alt_text": "A flyby of the Martian surface, using topography and imagery from Mariner 9 and Viking",
        "width": 320,
        "height": 238,
        "pixels": 76160
    },
    "main_video": {
        "id": 543971,
        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a000500/a000559/a000559.webmhd.webm",
        "filename": "a000559.webmhd.webm",
        "media_type": "Movie",
        "alt_text": "A flyby of the Martian surface, using topography and imagery from Mariner 9 and Viking",
        "width": 960,
        "height": 540,
        "pixels": 518400
    },
    "main_credits": {
        "Visualizations by": [
            {
                "name": "Robert Crippen",
                "employer": "NASA"
            }
        ]
    },
    "progress": "Complete",
    "media_groups": [
        {
            "id": 368132,
            "url": "https://svs.gsfc.nasa.gov/559/#media_group_368132",
            "widget": "Basic text with HTML",
            "title": "",
            "caption": "",
            "description": "The true global geography of Mars first emerged with comprehensive maps from Mariner 9 and Viking during the 1970's. This visualization tours the Red Planet using the Viking data set, hitting such features as the Valles Marineris canyons and the Olympus Mons volcano.",
            "items": [],
            "extra_data": {}
        },
        {
            "id": 368133,
            "url": "https://svs.gsfc.nasa.gov/559/#media_group_368133",
            "widget": "Video player",
            "title": "",
            "caption": "",
            "description": "A flyby of the Martian surface, using topography and imagery from Mariner 9 and Viking",
            "items": [
                {
                    "id": 389168,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 543969,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a000500/a000559/a000559.00010_print.png",
                        "filename": "a000559.00010_print.png",
                        "media_type": "Image",
                        "alt_text": "A flyby of the Martian surface, using topography and imagery from Mariner 9 and Viking",
                        "width": 720,
                        "height": 480,
                        "pixels": 345600
                    }
                },
                {
                    "id": 389163,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 543965,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a000500/a000559/a000559_thm.png",
                        "filename": "a000559_thm.png",
                        "media_type": "Image",
                        "alt_text": "A flyby of the Martian surface, using topography and imagery from Mariner 9 and Viking",
                        "width": 80,
                        "height": 40,
                        "pixels": 3200
                    }
                },
                {
                    "id": 389164,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 543966,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a000500/a000559/a000559_pre.jpg",
                        "filename": "a000559_pre.jpg",
                        "media_type": "Image",
                        "alt_text": "A flyby of the Martian surface, using topography and imagery from Mariner 9 and Viking",
                        "width": 320,
                        "height": 238,
                        "pixels": 76160
                    }
                },
                {
                    "id": 389169,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 543970,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a000500/a000559/a000559_pre_searchweb.jpg",
                        "filename": "a000559_pre_searchweb.jpg",
                        "media_type": "Image",
                        "alt_text": "A flyby of the Martian surface, using topography and imagery from Mariner 9 and Viking",
                        "width": 320,
                        "height": 180,
                        "pixels": 57600
                    }
                },
                {
                    "id": 389167,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 543971,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a000500/a000559/a000559.webmhd.webm",
                        "filename": "a000559.webmhd.webm",
                        "media_type": "Movie",
                        "alt_text": "A flyby of the Martian surface, using topography and imagery from Mariner 9 and Viking",
                        "width": 960,
                        "height": 540,
                        "pixels": 518400
                    }
                },
                {
                    "id": 389165,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 543967,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a000500/a000559/a000559.dv",
                        "filename": "a000559.dv",
                        "media_type": "Movie",
                        "alt_text": "A flyby of the Martian surface, using topography and imagery from Mariner 9 and Viking",
                        "width": 720,
                        "height": 480,
                        "pixels": 345600
                    }
                },
                {
                    "id": 389166,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 543968,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a000500/a000559/a000559.mp4",
                        "filename": "a000559.mp4",
                        "media_type": "Movie",
                        "alt_text": "A flyby of the Martian surface, using topography and imagery from Mariner 9 and Viking",
                        "width": 640,
                        "height": 480,
                        "pixels": 307200
                    }
                },
                {
                    "id": 389162,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 543964,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a000500/a000559/a000559.mpg",
                        "filename": "a000559.mpg",
                        "media_type": "Movie",
                        "alt_text": "A flyby of the Martian surface, using topography and imagery from Mariner 9 and Viking",
                        "width": 352,
                        "height": 240,
                        "pixels": 84480
                    }
                }
            ],
            "extra_data": {}
        },
        {
            "id": 368134,
            "url": "https://svs.gsfc.nasa.gov/559/#media_group_368134",
            "widget": "Single image",
            "title": "",
            "caption": "",
            "description": "Video slate image reads, \"Mars - The Past as Prolog<br /> Research: Ron Blom, JPL<br /> Visualization: Robert Crippen, David Curkendall, Joseph Jacob, Peggy Li, Lucian Plesea, Marc Pomerantz, Frank Semerano, Cris Windoffer, Kathya Zamora-Diaz, JPL<br />http://mars.ivv.nasa.gov/\".",
            "items": [
                {
                    "id": 389170,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 543972,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a000500/a000559/a000559_slate.jpg",
                        "filename": "a000559_slate.jpg",
                        "media_type": "Image",
                        "alt_text": "Video slate image reads, \"Mars - The Past as Prolog Research: Ron Blom, JPL Visualization: Robert Crippen, David Curkendall, Joseph Jacob, Peggy Li, Lucian Plesea, Marc Pomerantz, Frank Semerano, Cris Windoffer, Kathya Zamora-Diaz, JPLhttp://mars.ivv.nasa.gov/\".",
                        "width": 720,
                        "height": 528,
                        "pixels": 380160
                    }
                },
                {
                    "id": 389171,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 543973,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a000500/a000559/a000559_slate_web.png",
                        "filename": "a000559_slate_web.png",
                        "media_type": "Image",
                        "alt_text": "Video slate image reads, \"Mars - The Past as Prolog Research: Ron Blom, JPL Visualization: Robert Crippen, David Curkendall, Joseph Jacob, Peggy Li, Lucian Plesea, Marc Pomerantz, Frank Semerano, Cris Windoffer, Kathya Zamora-Diaz, JPLhttp://mars.ivv.nasa.gov/\".",
                        "width": 320,
                        "height": 234,
                        "pixels": 74880
                    }
                }
            ],
            "extra_data": {}
        }
    ],
    "studio": "svs",
    "funding_sources": [
        ""
    ],
    "credits": [
        {
            "role": "Animator",
            "people": [
                {
                    "name": "Robert Crippen",
                    "employer": "NASA"
                },
                {
                    "name": "David Curkendall",
                    "employer": "NASA/JPL CalTech"
                },
                {
                    "name": "Joseph Jacob",
                    "employer": "NASA"
                },
                {
                    "name": "Peggy Li",
                    "employer": "NASA"
                },
                {
                    "name": "Lucian Plesea",
                    "employer": "NASA/JPL CalTech"
                },
                {
                    "name": "Marc Pomerantz",
                    "employer": "NASA"
                },
                {
                    "name": "Frank Semerano",
                    "employer": "NASA"
                },
                {
                    "name": "Cris Windoffer",
                    "employer": "NASA"
                },
                {
                    "name": "Kathya Zamora-Diaz",
                    "employer": "NASA"
                }
            ]
        },
        {
            "role": "Scientist",
            "people": [
                {
                    "name": "Ron Blom",
                    "employer": "NASA/JPL CalTech"
                }
            ]
        }
    ],
    "missions": [
        "Mariner",
        "Viking"
    ],
    "series": [
        "Images of Earth and Space"
    ],
    "tapes": [],
    "papers": [],
    "datasets": [
        {
            "name": "",
            "common_name": "",
            "platform": "Mariner-9",
            "sensor": "Vidicon",
            "type": "Other",
            "organizations": [],
            "description": "",
            "credit": "",
            "url": "",
            "date_range": "1971-1972"
        },
        {
            "name": "",
            "common_name": "",
            "platform": "Viking",
            "sensor": "VIS",
            "type": "Other",
            "organizations": [],
            "description": "",
            "credit": "",
            "url": "",
            "date_range": "1976-1980"
        }
    ],
    "nasa_science_categories": [
        "Planets & Moons"
    ],
    "keywords": [
        "Mars",
        "Space science"
    ],
    "recommended_pages": [],
    "related": [],
    "sources": [],
    "products": [],
    "newer_versions": [],
    "older_versions": [],
    "alternate_versions": []
}