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    "title": "Lunar Near and Far Side Phases",
    "description": "These animations illustrate opposite lunar phases on the near and far sides of the Moon.",
    "release_date": "2026-03-24T15:00:00-04:00",
    "update_date": "2026-04-01T13:31:22.593735-04:00",
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        "Visualizations by": [
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                "name": "Dan Gallagher",
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            "description": "As the Moon orbits the Earth, sunlight and shadow sweep across its surface in a 29.5-day cycle that waxes from new Moon to full Moon and back again. From Earth, we can watch the Moon’s phases play out across its familiar near side. Because half of the Moon is always illuminated, the far side also goes through phases beyond our line of sight. During a full Moon, the near side is in full sunlight while the far side is in full shadow – and vice versa during a new Moon. The animations below illustrate this concept.\r\n\r\nDepending on their launch date, the crew of NASA’s [Artemis II](https://www.nasa.gov/mission/artemis-ii/) mission may become the first humans to see regions of the lunar far side, like Mare Orientale, in sunlight.",
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                "alt_text": "Artemis II visualization lead Ernie Wright explains how his data-driven animations are helping astronauts to prepare for a historic flyby of the Moon.Complete transcript available.Universal Production Music: “Black Cloud” and “Magic Trick” by Hugo Dubery [SACEM] and Philippe Galtier [SACEM]; “Connecting Ideas” by Christopher Timothy White [PRS]; “Transitions” by Ben Niblett [PRS] and Jon Cotton [PRS]Watch this video on the NASA Goddard YouTube channel and Facebook.",
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            "title": "What Apollo Saw in Sunlight While in Orbit",
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            "title": "Deep Star Maps 2020",
            "description": "The star map in celestial coordinates, at five different resolutions. The map is centered at 0h right ascension, and r.a. increases to the left. || starmap_2020_4k_print.jpg (1024x512) [41.8 KB] || starmap_2020_4k_searchweb.png (320x180) [53.9 KB] || starmap_2020_4k_thm.png (80x40) [5.5 KB] || starmap_2020_4k.exr (4096x2048) [34.3 MB] || starmap_2020_8k.exr (8192x4096) [124.5 MB] || starmap_2020_16k.exr (16384x8192) [422.9 MB] || starmap_2020_32k.exr (32768x16384) [1.4 GB] || starmap_2020_64k.exr (65536x32768) [3.8 GB] || ",
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                "media_type": "Image",
                "alt_text": "The star map in celestial coordinates, at five different resolutions. The map is centered at 0h right ascension, and r.a. increases to the left.",
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                "pixels": 524288
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            "description": "These color and elevation maps are designed for use in 3D rendering software. They are created from data assembled by the Lunar Reconnaissance Orbiter camera and laser altimeter instrument teams.",
            "release_date": "2019-09-06T10:00:00-04:00",
            "update_date": "2026-01-09T15:33:13.976536-05:00",
            "main_image": {
                "id": 1159955,
                "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004700/a004720/lroc_color_2k.jpg",
                "filename": "lroc_color_2k.jpg",
                "media_type": "Image",
                "alt_text": "The 2025 color map, available as a full-size float16 EXR file and as 16-bit TIFFs of various sizes. The EXR file is encoded in linear color with slightly more dynamic range, while the sRGB-encoded TIFFs are more broadly supported. The map is centered on 0° longitude.",
                "width": 2048,
                "height": 1024,
                "pixels": 2097152
            }
        }
    ],
    "products": [],
    "newer_versions": [],
    "older_versions": [],
    "alternate_versions": []
}