Credits & Open-Source Licenses

Software, data and imagery

• CesiumJS

  The 3D globe, its WebGL renderer, and the worker, widget and asset files served from this site.

  Apache-2.0 — read the terms

• satellite.js

  SGP4/SDP4 propagation, turning published orbital elements into positions in your browser.

  MIT — read the terms

• Next.js

  The application framework and server rendering.

  MIT — read the terms

• React

  The user interface library.

  MIT — read the terms

• CelesTrak GP data

  NORAD two-line element and OMM orbital data, maintained and published by Dr. T.S. Kelso.

  CelesTrak terms of use — read the terms

• The Space Devs — Launch Library 2

  Upcoming and recent orbital launch schedules.

  Launch Library 2 API terms — read the terms

• Natural Earth II imagery

  The offline base map tiles bundled with CesiumJS and used when no Cesium ion token is configured.

  Public domain — read the terms

• Cesium ion imagery and terrain (Bing Maps aerial imagery)

  Higher-resolution imagery and terrain, used only when a Cesium ion access token is configured.

  Cesium ion and Microsoft imagery terms — read the terms

• Moon texture by James Hastings-Trew (Planetary Pixel Emporium)

  The moon texture shipped in the Cesium Assets folder and served with the globe.

  Used under the terms stated in the Cesium licence — read the terms

• NASA sky box imagery

  The star field behind the globe.

  Courtesy NASA, per the terms stated in the Cesium licence — read the terms

Libraries bundled in the CesiumJS build

The Cesium build served from this site bundles the libraries below. Their notices, together with the Apache-2.0 text and the asset attributions, are redistributed in full alongside the build: CesiumJS LICENSE.md.

• @tweenjs/tween.js25.0.0MIT
• @zip.js/zip.js2.9.0BSD-3-Clause
• autolinker4.1.5MIT
• basis_universal1.15Apache-2.0
• bitmap-sdf1.0.4MIT
• dompurify3.4.14Apache-2.0(dompurify is available as both MPL-2.0 OR Apache-2.0)
• draco3d1.5.7Apache-2.0
• earcut3.0.2ISC
• grapheme-splitter1.0.4MIT
• jsep1.4.0MIT
• kdbush4.1.0ISC
• Knockout3.5.1MIT
• Knockout ES5 plugin0.4.6MIT
• ktx-parse1.1.0MIT
• lerc2.0.0Apache-2.0
• mersenne-twister1.1.0MIT
• meshoptimizer1.2.0MIT
• nosleep.js0.12.0MIT
• pako3.0.1MIT(pako is MIT, and its dependency zlib is attributed separately)
• protobufjs8.8.0BSD-3-Clause
• rbush4.0.1MIT
• topojson-client3.1.0ISC
• urijs1.19.11MIT

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