STARDRIFT · Planetary texture acknowledgements Surface: NASA Earth Observatory, Blue Marble Next Generation, January 2004. https://science.nasa.gov/earth/earth-observatory/blue-marble-next-generation/base-map/ Clouds: NASA/Goddard Space Flight Center Scientific Visualization Studio, item 3837. https://svs.gsfc.nasa.gov/3837/ Lunar surface: NASA's Scientific Visualization Studio, CGI Moon Kit, item 4720. LROC/LOLA source datasets and visualization contributors are credited on the original page. https://svs.gsfc.nasa.gov/4720/ Use follows NASA Images and Media Usage Guidelines: https://www.nasa.gov/nasa-brand-center/images-and-media/ NASA does not endorse STARDRIFT. Fictional worlds and shader color/lighting treatments are artistic adaptations, not scientific visualizations. STARDRIFT · Photographic material and HDR lighting acknowledgements ScannedMetalNormal.png / ScannedMetalRough.png: metal_plate_02, Rob Tuytel. https://polyhaven.com/a/metal_plate_02 HangarStudio.hdr: studio_small_09, Sergej Majboroda. https://polyhaven.com/a/studio_small_09 Downloadable source assets are CC0 1.0: https://polyhaven.com/license https://creativecommons.org/publicdomain/zero/1.0/ Only original downloadable maps/HDR are used, not website example renders. RockAlbedo.png / RockNormalRough.png: rock_face_03, Dario Barresi (photography), Rico Cilliers (processing), Poly Haven, CC0 1.0. https://polyhaven.com/a/rock_face_03 Source hashes and offline preparation are recorded in Config/space-materials.json. Grayscale ArtistHullRelief.png is original built-in image generation artwork; its prompt and use are documented in Docs/MATERIAL_ART_PROMPT.md. STARDRIFT · Racing music acknowledgements MintoDog: Racing Game Menu; Racing Game Result — Best; Neon sign Circuit [Remake]; Pure Raceway; Hot Roadway; Sunny City; Fever Stadium; Cool Highway; Joyful Jungle; Blossom Mountain; Strange Factory; Darkness Road; Sky Blue Street. Eleven race programs each include their composer's main and Climax version: 24 bundled files, 13 underlying compositions including menu and result. https://opengameart.org/content/racing-game-menu https://opengameart.org/content/neon-sign-circuit-remake https://opengameart.org/content/racing-game-result https://opengameart.org/content/pure-raceway https://opengameart.org/content/hot-roadway-remake https://opengameart.org/content/sunny-city https://opengameart.org/content/fever-stadium https://opengameart.org/content/cool-highway-remake https://opengameart.org/content/joyful-jungle https://opengameart.org/content/blossom-mountainremake https://opengameart.org/content/strange-factory https://opengameart.org/content/darkness-roadremake https://opengameart.org/content/sky-blue-street Released by the composer under CC0 1.0 Universal: https://creativecommons.org/publicdomain/zero/1.0/ No endorsement is implied. Prepared on Mac mini with loudness normalization, 5ms endpoint fades and stereo AAC conversion. Sources/output hashes and BPM are recorded in Config/music-sources.json and Resources/Audio/MusicAssets.json. STARDRIFT · Recorded announcer Ten original short game callouts generated with ElevenLabs, Brian voice, eleven_v4, during the account's active Creator subscription. Bundled as finite offline recordings; the app does not contact ElevenLabs at runtime. Prepared on Mac mini with loudness normalization and 2ms endpoint fades; original pitch and timing retained. Source/request/output hashes and generation receipts are recorded in Resources/Audio/AnnouncerAssets.json. No voice cloning or claim of endorsement. These assets are not CC0; do not infer a reusable voice license from the music's separate license.