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  • Documentation and Information Science; Administration and Management  (1)
  • Lunar and Planetary Science and Exploration  (1)
  • 2015-2019  (2)
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  • 1
    Publikationsdatum: 2019-08-13
    Beschreibung: Planetary spatial data, which include any remote sensing data or derived products with sufficient positional information such that they can be projected onto a planetary body, continue to rapidly increase in volume and complexity. These data are the hard-earned fruits of decades of planetary exploration, and are the end result of mission planning and execution. Maintaining these data using accessible formats and standards for all scientists has been necessary for the success of past, present, and future planetary missions. The Mapping and Planetary Spatial Infrastructure Team (MAPSIT) is a group of planetary community members tasked by NASA Headquarters to work with the planetary science community to identify and prioritize their planetary spatial data needs to help determine the best pathways for new data acquisition, usable product derivation, and tools/capability development that supports NASA's planetary science missions.
    Schlagwort(e): Documentation and Information Science; Administration and Management
    Materialart: JSC-CN-38424 , Planetary Science Vision 2050 Workshop; Feb 27, 2017 - Mar 01, 2017; Washington, DC; United States
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Publikationsdatum: 2019-07-13
    Beschreibung: When sufficiently large impact craters form on the Moon, rocks and unweathered materials are excavated from beneath the regolith and deposited into their blocky ejecta. This enhances the rockiness and roughness of the proximal ejecta surrounding fresh impact craters. The interior of fresh craters are typically also rough, due to blocks, breccia, and impact melt. Thus, both the interior and proximal ejecta of fresh craters are usually radar bright and have high circular polarization ratios (CPR). Beyond the proximal ejecta, radar-dark halos are observed around some fresh craters, suggesting that distal ejecta is finer-grained than background regolith. The radar signatures of craters fade with time as the regolith grows.
    Schlagwort(e): Lunar and Planetary Science and Exploration
    Materialart: MSFC-E-DAA-TN38542 , Lunar and Planetary Science Conference 2017; Mar 20, 2017 - Mar 24, 2017; The Woodlands, TX; United States
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
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