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    • PlanetQuest Historic Timeline

    Metadata Updated: October 30, 2025

    This interactive multimedia timeline traces the search for extrasolar planets, from ancient philosophical speculation to modern discoveries.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

    Downloads & Resources

    No file downloads have been provided. The publisher may provide downloads in the future or they may be available from their other links.

    Dates

    Metadata Created Date November 12, 2020
    Metadata Updated Date October 30, 2025
    Data Update Frequency irregular

    Metadata Source

    Harvested from NASA Data.json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date November 12, 2020
    Metadata Updated Date October 30, 2025
    Publisher National Aeronautics and Space Administration
    Maintainer
    Identifier NASA-902
    Data First Published 2009-10-20
    Data Last Modified 2025-07-17
    Category Space Science
    Public Access Level public
    Data Update Frequency irregular
    Bureau Code 026:00
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    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 57bd5cb0-7f64-4f2a-ad6d-748aa53199b4
    Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
    Harvest Source Title NASA Data.json
    Program Code 026:014
    Source Datajson Identifier True
    Source Hash cfaa212e37d670c919d884a665fe393cf9f60e92b14b6bb9f6f8cc64c6ba2950
    Source Schema Version 1.1

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