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    • 3D shape and size data for 10084 and 14163 lunar regolith particles

    Metadata Updated: March 14, 2025

    This database contains 3D shape and size data for 10084 (Apollo 11) and 14163 (Apollo 14) real lunar regolith particles, along with STL files for the approximately 14,000 particles studied via X-ray micro-CT and X-ray nano-CT. The database also contains similar information for the lunar regolith simulant JSC-1A but for over 100,000 particles. There are also images for all 10084 and 14163 particles examined by SEM, which are different particles out of the same material. Each particle studied in 3D, ranging in size from 0.5 micrometers to 100 micrometers, has length, width, thickness, surface area, and volume measured. The directionally-averaged projected area is also computed. The dataset contains a 3D STL file for each particle that was studied by X-ray CT. There are files describing the data structure of each kind of data file.Note: The large image-stack files have been compressed using the Linux gzip app, which adds a ".gz" extension after the file's extension. Free apps such as 7zip are able to uncompress these files or the Linux app gunzip can be used. All data files (.dat, .txt, .mic) are in ASCII format when they are uncompressed.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: See this page for license information.

    Downloads & Resources

    Dates

    Metadata Created Date February 1, 2024
    Metadata Updated Date March 14, 2025

    Metadata Source

    Harvested from NIST

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date February 1, 2024
    Metadata Updated Date March 14, 2025
    Publisher National Institute of Standards and Technology
    Maintainer
    Identifier ark:/88434/mds2-3043
    Data First Published 2024-01-18
    Language en
    Data Last Modified 2024-01-16 00:00:00
    Category Materials:Materials characterization
    Public Access Level public
    Bureau Code 006:55
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/data.json
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id 7be0bc9b-6e7e-4b20-bb3e-351002b846da
    Harvest Source Id 74e175d9-66b3-4323-ac98-e2a90eeb93c0
    Harvest Source Title NIST
    Homepage URL https://data.nist.gov/od/id/mds2-3043
    License https://www.nist.gov/open/license
    Program Code 006:045
    Source Datajson Identifier True
    Source Hash 8412ba4479f568444c6cfb5c835fcdc09308a6386dc3206cf295f488bce4e999
    Source Schema Version 1.1

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