The JSON and JS files in this directory are created by Wildfire Games and available under the same license as the remainder of binaries/data/, i.e. GPL version 2 (or later) - see license_gpl-2.0.txt.

This directory contains topography images of the NASA Blue Marble series. This material is in the public domain.

Imagery by Jesse Allen, NASA's Earth Observatory, using data from the General Bathymetric Chart of the Oceans (GEBCO) produced by the British Oceanographic Data Centre.
https://visibleearth.nasa.gov/view.php?id=73934

Reto Stöckli, NASA Earth Observatory
https://visibleearth.nasa.gov/view.php?id=74393

> General Terms of Use Information
> Most images published in Visible Earth are freely available for re-publication or re-use, including commercial purposes, except for where copyright is indicated. In those cases you must obtain the copyright holder’s permission; we usually provide links to the organization that holds the copyright.
> We ask that you use the credit statement attached with each image or else credit Visible Earth; the only mandatory credit is NASA.
> For more information about using NASA imagery visit http://www.nasa.gov/audience/formedia/features/MP_Photo_Guidelines.html.

This directory also contains heightmaps based on OpenStreetMap tiledata, which is available under Open Database Licence and CC-BY-SA, see
https://www.openstreetmap.org/copyright
https://opendatacommons.org/licenses/odbl/1.0/

See the according JS files to find the image sources.
