Open licences

SpaceWise uses pictures, maps and data that their makers share under open licences. This page lists every one of them that is under a Creative Commons Attribution (CC BY), Open Government Licence (OGL) or Open Data Commons Attribution (ODC-By) licence, with a link to the original and a note of what we changed.

These third-party files keep their own licences. The store terms and our terms do not limit your rights under those licences. You may copy, share and adapt them under the terms of their licences, which are linked below. You do not need the app to get them: follow the link to the original, or download the file as the app uses it from this website when it is offered here.

The app's own code, text, sounds and art are not covered by this page.

Files under CC BY, OGL and ODC-By

venus_albedo.jpg

Creator and credit: Solar System Scope (INOVE s.r.o.)
Original: https://www.solarsystemscope.com/textures/
Source: Solar System Scope 4k_venus_atmosphere.jpg - https://www.solarsystemscope.com/textures/
Changes: resized and converted to the app's texture format (tools/pipeline/)
Licence: CC BY 4.0 - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/textures/bodies/venus_albedo.jpg
Download as the app ships it: venus_albedo.jpg

saturn_albedo.jpg

Creator and credit: Solar System Scope (INOVE s.r.o.), based on NASA Cassini imagery
Original: https://www.solarsystemscope.com/textures/
Source: Solar System Scope 8k_saturn.jpg - https://www.solarsystemscope.com/textures/
Changes: resized and converted to the app's texture format (tools/pipeline/)
Licence: CC BY 4.0 - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/textures/bodies/saturn_albedo.jpg
Download as the app ships it: saturn_albedo.jpg

saturn_rings.png

Creator and credit: Solar System Scope (INOVE s.r.o.)
Original: https://www.solarsystemscope.com/textures/
Source: Solar System Scope 8k_saturn_ring_alpha.png - https://www.solarsystemscope.com/textures/
Changes: resized and converted to the app's texture format (tools/pipeline/)
Licence: CC BY 4.0 - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/textures/bodies/saturn_rings.png
Download as the app ships it: saturn_rings.png

saturn_rings_profile.png

Creator and credit: NASA/JPL Cassini Radio Science Team (opacity, public domain); Solar System Scope (INOVE s.r.o.) (colour)
Original: https://pds-rings.seti.org/holdings/volumes/CORSS_8xxx/CORSS_8001/
Source: Opacity: Cassini Radio Science occultation of 3 May 2005 (Rev 7 egress, 1 km resolution), NASA PDS Ring-Moon Systems Node CORSS_8001 RSS_2005_123_X43_E_TAU_01KM.TAB - https://pds-rings.seti.org/holdings/volumes/CORSS_8xxx/CORSS_8001/ ; colour resampled from saturn_rings.png; made by tools/planetviews/build_ring_profile.py
Changes: as given under Source
Licence: CC BY 4.0 (colour); opacity public domain - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/textures/bodies/saturn_rings_profile.png
Download as the app ships it: saturn_rings_profile.png

uranus_albedo.jpg

Creator and credit: Solar System Scope (INOVE s.r.o.)
Original: https://www.solarsystemscope.com/textures/
Source: Solar System Scope 2k_uranus.jpg - https://www.solarsystemscope.com/textures/
Changes: resized and converted to the app's texture format (tools/pipeline/)
Licence: CC BY 4.0 - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/textures/bodies/uranus_albedo.jpg
Download as the app ships it: uranus_albedo.jpg

neptune_albedo.jpg

Creator and credit: Solar System Scope (INOVE s.r.o.)
Original: https://www.solarsystemscope.com/textures/
Source: Solar System Scope 2k_neptune.jpg - https://www.solarsystemscope.com/textures/
Changes: resized and converted to the app's texture format (tools/pipeline/)
Licence: CC BY 4.0 - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/textures/bodies/neptune_albedo.jpg
Download as the app ships it: neptune_albedo.jpg

sun_granulation.png (2048x2048, 10 km per pixel)

Creator and credit: NSO/NSF/AURA
Original: https://noirlab.edu/public/images/NSO-DKIST-firstlight-full/
Source: NSF Daniel K. Inouye Solar Telescope first-light image, 10 December 2019, 789 nm, 36,500 km field - NOIRLab image NSO-DKIST-firstlight-full, https://noirlab.edu/public/images/NSO-DKIST-firstlight-full/ ; converted to relative intensity, flat-fielded, lightly sharpened and cropped by src/space/tools/make_sun_tiles.py (settings in sun_tiles.json)
Changes: as given under Source
Licence: CC BY 4.0 (https://noirlab.edu/public/copyright/) - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/textures/bodies/sun_granulation.png
Download as the app ships it: sun_granulation.png

sun_penumbra.png (2048x256 polar map)

Creator and credit: NSO/AURA/NSF
Original: https://noirlab.edu/public/images/NSO-DKIST-first-sunspot/
Source: NSF Daniel K. Inouye Solar Telescope, first sunspot image, 28 January 2020, 530 nm - NOIRLab image NSO-DKIST-first-sunspot, https://noirlab.edu/public/images/NSO-DKIST-first-sunspot/ ; the penumbra unwrapped round the umbra and scaled between its inner and outer edges by src/space/tools/make_sun_tiles.py
Changes: as given under Source
Licence: CC BY 4.0 (https://noirlab.edu/public/copyright/) - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/textures/bodies/sun_penumbra.png
Download as the app ships it: sun_penumbra.png

stars/stars.json (names)

Creator and credit: IAU Division C Working Group on Star Names (WGSN)
Original: https://www.pas.rochester.edu/~emamajek/WGSN/IAU-CSN.txt
Source: IAU Catalog of Star Names - https://www.pas.rochester.edu/~emamajek/WGSN/IAU-CSN.txt and https://www.iau.org/public/themes/naming_stars/
Changes: names matched to the catalogue stars
Licence: CC BY 4.0 - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/stars/stars.json
Download as the app ships it: stars.json

assets/ui/thumbs/saturn.png, assets/ui/thumbs/saturn_map.jpg, src/ui/thumbs/saturn.jpg

Creator and credit: Solar System Scope (INOVE s.r.o.), based on NASA Cassini imagery
Original: https://www.solarsystemscope.com/textures/
Source: Solar System Scope 8k_saturn.jpg and 8k_saturn_ring_alpha.png - https://www.solarsystemscope.com/textures/ ; resized and drawn as a small lit globe with its rings, and as a 512 x 256 map, by tools/pipeline/make_thumbs.py and src/ui/tools/make_thumbs.py
Changes: as given under Source
Licence: CC BY 4.0 - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/ui/thumbs/saturn.png, assets/ui/thumbs/saturn_map.jpg, src/ui/thumbs/saturn.jpg
Download as the app ships it: saturn.png, saturn_map.jpg, saturn.jpg

assets/ui/thumbs/uranus.png, assets/ui/thumbs/uranus_map.jpg, src/ui/thumbs/uranus.jpg

Creator and credit: Solar System Scope (INOVE s.r.o.)
Original: https://www.solarsystemscope.com/textures/
Source: Solar System Scope 2k_uranus.jpg - https://www.solarsystemscope.com/textures/ ; resized and drawn as a small lit globe and a 512 x 256 map by the same tools
Changes: as given under Source
Licence: CC BY 4.0 - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/ui/thumbs/uranus.png, assets/ui/thumbs/uranus_map.jpg, src/ui/thumbs/uranus.jpg
Download as the app ships it: uranus.png, uranus_map.jpg, uranus.jpg

assets/ui/thumbs/neptune.png, assets/ui/thumbs/neptune_map.jpg, src/ui/thumbs/neptune.jpg

Creator and credit: Solar System Scope (INOVE s.r.o.)
Original: https://www.solarsystemscope.com/textures/
Source: Solar System Scope 2k_neptune.jpg - https://www.solarsystemscope.com/textures/ ; resized and drawn as a small lit globe and a 512 x 256 map by the same tools
Changes: as given under Source
Licence: CC BY 4.0 - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/ui/thumbs/neptune.png, assets/ui/thumbs/neptune_map.jpg, src/ui/thumbs/neptune.jpg
Download as the app ships it: neptune.png, neptune_map.jpg, neptune.jpg

assets/ui/thumbs/venus.png, assets/ui/thumbs/venus_map.jpg, src/ui/thumbs/venus.jpg

Creator and credit: Solar System Scope (INOVE s.r.o.)
Original: https://www.solarsystemscope.com/textures/
Source: Solar System Scope 4k_venus_atmosphere.jpg - https://www.solarsystemscope.com/textures/ ; resized and drawn as a small lit globe (tinted towards the cloud colour) and a 512 x 256 map by the same tools
Changes: as given under Source
Licence: CC BY 4.0 - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/ui/thumbs/venus.png, assets/ui/thumbs/venus_map.jpg, src/ui/thumbs/venus.jpg
Download as the app ships it: venus.png, venus_map.jpg, venus.jpg

src/ui/thumbs/saturn_rings.png

Creator and credit: Solar System Scope (INOVE s.r.o.)
Original: https://www.solarsystemscope.com/textures/
Source: Solar System Scope 8k_saturn_ring_alpha.png - https://www.solarsystemscope.com/textures/ ; resized to a 256 x 4 strip by src/ui/tools/make_thumbs.py
Changes: as given under Source
Licence: CC BY 4.0 - https://creativecommons.org/licenses/by/4.0/
In the app as: src/ui/thumbs/saturn_rings.png
Download as the app ships it: saturn_rings.png

shapes/ryugu.glb

Creator and credit: JAXA, Hayabusa2 Shape Model team
Original: https://doi.org/10.17597/isas.darts/hyb2-00600
Source: Hayabusa2 SPICE Kernel Archive Bundle, ryugu_shape_sfm_50k_v20200815.bds (doi:10.17597/isas.darts/hyb2-00600)
Changes: simplified (fewer facets) and converted to glTF; maps baked from the shape and resized (tools/asteroids/)
Licence: CC BY 4.0 (ISAS Data Policy; attribution required) - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/asteroids/shapes/ryugu.glb
Download as the app ships it: ryugu.glb

shapes/ryugu.glb, maps/ryugu_normal.jpg, maps/ryugu_relief.png

Creator and credit: JAXA, Hayabusa2 Shape Model team (S. Watanabe et al. 2019)
Original: https://doi.org/10.17597/isas.darts/hyb2-00600
Source: Hayabusa2 SPICE Kernel Archive Bundle, ryugu_shape_sfm_3m_v20200815.bds (3 million facets; doi:10.17597/isas.darts/hyb2-00600)
Changes: simplified (fewer facets) and converted to glTF; maps baked from the shape and resized (tools/asteroids/)
Licence: CC BY 4.0 (ISAS Data Policy; attribution required) - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/asteroids/shapes/ryugu.glb, assets/asteroids/maps/ryugu_normal.jpg, assets/asteroids/maps/ryugu_relief.png
Download as the app ships it: ryugu.glb, ryugu_normal.jpg, ryugu_relief.png

maps/ryugu_albedo.png

Creator and credit: JAXA, University of Tokyo, Kochi University, Rikkyo University, Nagoya University, Chiba Institute of Technology, Meiji University, University of Aizu and AIST; Y. Yokota et al. (2021), Planetary Science Journal 2, doi:10.3847/PSJ/ac14ba
Original: https://data.darts.isas.jaxa.jp/pub/hayabusa2/products/05_v-band_normal_albedo/
Source: JAXA JADE2 global base maps, v-band normal albedo map (https://data.darts.isas.jaxa.jp/pub/hayabusa2/products/05_v-band_normal_albedo/)
Changes: simplified (fewer facets) and converted to glTF; maps baked from the shape and resized (tools/asteroids/)
Licence: CC BY 4.0 (ISAS Data Policy; attribution required) - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/asteroids/maps/ryugu_albedo.png
Download as the app ships it: ryugu_albedo.png

events/*.json series kp

Creator and credit: Matzka, J., Bronkalla, O., Tornow, K., Elger, K. and Stolle, C. (2021): Geomagnetic Kp index. GFZ Data Services, doi:10.5880/Kp.0001
Original: https://kp.gfz.de/
Source: Definitive geomagnetic Kp index, 3-hourly - https://kp.gfz.de/
Changes: converted into the app's storm event files (tools/spaceweather/)
Licence: CC BY 4.0 (attribution required in the app) - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/spaceweather/events/flares_2024_05_14.json, assets/spaceweather/events/gannon_2024_05.json, assets/spaceweather/events/quiet_2024_03_17.json, assets/spaceweather/events/storm_2024_10.json
Download as the app ships it: flares_2024_05_14.json, gannon_2024_05.json, quiet_2024_03_17.json, storm_2024_10.json

sky/star_names.json

Creator and credit: IAU Division C Working Group on Star Names (WGSN)
Original: https://exopla.net/star-names/modern-iau-star-names/
Source: IAU Catalog of Star Names - https://exopla.net/star-names/modern-iau-star-names/ and https://www.pas.rochester.edu/~emamajek/WGSN/IAU-CSN.txt
Changes: as given under Source
Licence: CC BY 4.0. Origin notes are the WGSN's wording; lone Greek letters spelt out and words in scripts the app fonts cannot draw removed - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/sky/star_names.json
Download as the app ships it: star_names.json

sky/constellations.json (names, genitives)

Creator and credit: IAU
Original: https://www.iau.org/public/themes/constellations/
Source: IAU, The Constellations - https://www.iau.org/public/themes/constellations/
Changes: as given under Source
Licence: CC BY 4.0. English meanings written for this app - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/sky/constellations.json
Download as the app ships it: constellations.json

pillars_webb_nircam.jpg

Creator and credit: NASA, ESA, CSA, STScI; J. DePasquale, A. Koekemoer, A. Pagan (STScI)
Original: https://esawebb.org/images/weic2216b/
Source: ESA/Webb weic2216b, "Pillars of Creation (NIRCam)" - https://esawebb.org/images/weic2216b/
Changes: reprojected into the chapter's sky panorama, cropped and resized (tools/deepsky/)
Licence: CC BY 4.0 - https://creativecommons.org/licenses/by/4.0/
Used in: sky/pillars_of_creation/, thumbs/stars.jpg
In the app as: assets/journeys/sky/pillars_of_creation/background_L.jpg, assets/journeys/sky/pillars_of_creation/background_L_low.jpg, assets/journeys/sky/pillars_of_creation/background_R.jpg, assets/journeys/sky/pillars_of_creation/background_R_low.jpg, assets/journeys/sky/pillars_of_creation/layer_pillars.webp, assets/journeys/sky/pillars_of_creation/pillars_of_creation_L.jpg, assets/journeys/sky/pillars_of_creation/pillars_of_creation_L_low.jpg, assets/journeys/sky/pillars_of_creation/pillars_of_creation_R.jpg, assets/journeys/sky/pillars_of_creation/pillars_of_creation_R_low.jpg, assets/journeys/thumbs/stars.jpg
Download as the app ships it: background_L.jpg, background_L_low.jpg, background_R.jpg, background_R_low.jpg, layer_pillars.webp, pillars_of_creation_L.jpg, pillars_of_creation_L_low.jpg, pillars_of_creation_R.jpg, pillars_of_creation_R_low.jpg, stars.jpg

orion_hubble.jpg

Creator and credit: NASA, ESA, M. Robberto (Space Telescope Science Institute/ESA) and the Hubble Space Telescope Orion Treasury Project Team
Original: https://esahubble.org/images/heic0601a/
Source: ESA/Hubble heic0601a, "Hubble's sharpest view of the Orion Nebula" - https://esahubble.org/images/heic0601a/
Changes: reprojected into the chapter's sky panorama, cropped and resized (tools/deepsky/)
Licence: CC BY 4.0 - https://creativecommons.org/licenses/by/4.0/
Used in: sky/orion_nebula_inside/
In the app as: assets/journeys/sky/orion_nebula_inside/layer_near_stars.jpg, assets/journeys/sky/orion_nebula_inside/layer_near_wisps.jpg, assets/journeys/sky/orion_nebula_inside/orion_nebula_inside_L.jpg, assets/journeys/sky/orion_nebula_inside/orion_nebula_inside_L_low.jpg, assets/journeys/sky/orion_nebula_inside/orion_nebula_inside_R.jpg, assets/journeys/sky/orion_nebula_inside/orion_nebula_inside_R_low.jpg
Download as the app ships it: layer_near_stars.jpg, layer_near_wisps.jpg, orion_nebula_inside_L.jpg, orion_nebula_inside_L_low.jpg, orion_nebula_inside_R.jpg, orion_nebula_inside_R_low.jpg

crab_hubble.jpg

Creator and credit: NASA, ESA, J. Hester and A. Loll (Arizona State University)
Original: https://esahubble.org/images/heic0515a/
Source: ESA/Hubble heic0515a, "Most detailed image of the Crab Nebula" - https://esahubble.org/images/heic0515a/
Changes: reprojected into the chapter's sky panorama, cropped and resized (tools/deepsky/)
Licence: CC BY 4.0 - https://creativecommons.org/licenses/by/4.0/
Used in: sky/crab_nebula/
In the app as: assets/journeys/sky/crab_nebula/background_L.jpg, assets/journeys/sky/crab_nebula/background_L_low.jpg, assets/journeys/sky/crab_nebula/background_R.jpg, assets/journeys/sky/crab_nebula/background_R_low.jpg, assets/journeys/sky/crab_nebula/crab_nebula_L.jpg, assets/journeys/sky/crab_nebula/crab_nebula_L_low.jpg, assets/journeys/sky/crab_nebula/crab_nebula_R.jpg, assets/journeys/sky/crab_nebula/crab_nebula_R_low.jpg, assets/journeys/sky/crab_nebula/layer_front_filaments.jpg
Download as the app ships it: background_L.jpg, background_L_low.jpg, background_R.jpg, background_R_low.jpg, crab_nebula_L.jpg, crab_nebula_L_low.jpg, crab_nebula_R.jpg, crab_nebula_R_low.jpg, layer_front_filaments.jpg

deep_field_webb.jpg

Creator and credit: NASA, ESA, CSA, STScI
Original: https://esawebb.org/images/weic2209a/
Source: ESA/Webb weic2209a, "Webb's First Deep Field (NIRCam)" - https://esawebb.org/images/weic2209a/
Changes: reprojected into the chapter's sky panorama, cropped and resized (tools/deepsky/)
Licence: CC BY 4.0 - https://creativecommons.org/licenses/by/4.0/
Used in: sky/deep_field/webb_first_deep_field*.jpg
In the app as: assets/journeys/sky/deep_field/webb_first_deep_field.jpg, assets/journeys/sky/deep_field/webb_first_deep_field_low.jpg
Download as the app ships it: webb_first_deep_field.jpg, webb_first_deep_field_low.jpg

hudf_hubble.jpg

Creator and credit: NASA, ESA, S. Beckwith (STScI) and the HUDF Team
Original: https://esahubble.org/images/heic0406a/
Source: ESA/Hubble heic0406a, "Hubble Ultra Deep Field" - https://esahubble.org/images/heic0406a/
Changes: reprojected into the chapter's sky panorama, cropped and resized (tools/deepsky/)
Licence: CC BY 4.0 - https://creativecommons.org/licenses/by/4.0/
Used in: sky/deep_field/hubble_ultra_deep_field*.jpg
In the app as: assets/journeys/sky/deep_field/hubble_ultra_deep_field.jpg, assets/journeys/sky/deep_field/hubble_ultra_deep_field_low.jpg
Download as the app ships it: hubble_ultra_deep_field.jpg, hubble_ultra_deep_field_low.jpg

saturn_albedo.jpg, saturn_rings.png (shared, see docs/CREDITS.md)

Creator and credit: Solar System Scope (INOVE), based on NASA Cassini imagery
Source: Solar System Scope textures
Changes: reprojected into the chapter's sky panorama, cropped and resized (tools/deepsky/)
Licence: CC BY 4.0 - https://creativecommons.org/licenses/by/4.0/
Used in: thumbs/planets.jpg
In the app as: assets/textures/bodies/saturn_albedo.jpg, assets/textures/bodies/saturn_rings.png, assets/journeys/thumbs/planets.jpg
Download as the app ships it: saturn_albedo.jpg, saturn_rings.png, planets.jpg

tex/granulation.png (30 frames, a Texture2DArray)

Creator and credit: NSO/AURA/NSF
Original: https://noirlab.edu/public/videos/DKIST-First-Light-MZ-fullFOV-loop/
Source: NSF Daniel K. Inouye Solar Telescope first-light movie, 10 December 2019, 19:24-19:35 UT, 789 nm, 36,500 km field - NOIRLab video "DKIST-First-Light-MZ-fullFOV-loop", https://noirlab.edu/public/videos/DKIST-First-Light-MZ-fullFOV-loop/ ; every 5th frame, converted to greyscale intensity and resized to 1024 px by src/journeys/chapters/sun/tools/make_granulation.py
Changes: as given under Source
Licence: CC BY 4.0 (https://noirlab.edu/public/copyright/) - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/journeys/sun/tex/granulation.png
Download as the app ships it: granulation.png

hh211_webb.jpg

Creator and credit: ESA/Webb, NASA, CSA, T. Ray (Dublin Institute for Advanced Studies)
Original: https://esawebb.org/images/weic2322a/
Source: ESA/Webb weic2322a, HH 211 (NIRCam, cropped) - https://esawebb.org/images/weic2322a/
Changes: as given under Source
Licence: CC BY 4.0 - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/journeys/stars/real/hh211_webb.jpg
Download as the app ships it: hh211_webb.jpg

ring_nebula_webb.jpg

Creator and credit: ESA/Webb, NASA, CSA, M. Barlow, N. Cox, R. Wesson
Original: https://esawebb.org/images/weic2320a/
Source: ESA/Webb weic2320a, the Ring Nebula - https://esawebb.org/images/weic2320a/
Changes: resized to at most 2048 px
Licence: CC BY 4.0 - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/journeys/stars/real/ring_nebula_webb.jpg
Download as the app ships it: ring_nebula_webb.jpg

betelgeuse_eso.jpg

Creator and credit: ESO/M. Montargès et al.
Original: https://www.eso.org/public/images/eso2003c/
Source: ESO eso2003c, Betelgeuse before and after the Great Dimming (VLT/SPHERE) - https://www.eso.org/public/images/eso2003c/
Changes: resized to at most 2048 px
Licence: CC BY 4.0 - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/journeys/stars/real/betelgeuse_eso.jpg
Download as the app ships it: betelgeuse_eso.jpg

sn1987a_webb.jpg

Creator and credit: NASA, ESA, CSA, M. Matsuura (Cardiff University), R. Arendt (NASA's Goddard Spaceflight Center and University of Maryland, Baltimore County), C. Fransson (Stockholm University), J. Larsson (KTH Royal Institute of Technology), A. Pagan (STScI)
Original: https://esawebb.org/images/SN1987a-1/
Source: ESA/Webb SN 1987A (NIRCam) - https://esawebb.org/images/SN1987a-1/
Changes: resized to at most 2048 px
Licence: CC BY 4.0 - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/journeys/stars/real/sn1987a_webb.jpg
Download as the app ships it: sn1987a_webb.jpg

terrain/terrain.json (roads), and the roads cut into the terrain meshes and height grids: terrain/near.glb, terrain/mid.glb, terrain/far.glb, terrain/near_height.bin, terrain/terra

Creator and credit: © Instituto Geográfico Nacional (IGN), Spain
Original: https://servicios.idee.es/wfs-inspire/transportes
Source: Red de transporte IGR-RT, INSPIRE road links (paved only) - https://servicios.idee.es/wfs-inspire/transportes - fetched by tools/fetch_site_roads.py
Changes: as given under Source
Licence: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/; "CC BY 4.0 scne.es", https://www.scne.es/productos.html). Changes: unpaved tracks left out, centre lines resampled, levelled and cut into the ground
In the app as: assets/journeys/observatory/terrain/terrain.json, assets/journeys/observatory/terrain/near.glb, assets/journeys/observatory/terrain/mid.glb, assets/journeys/observatory/terrain/far.glb, assets/journeys/observatory/terrain/near_height.bin, assets/journeys/observatory/terrain/terrain_normal.png
Download as the app ships it: terrain.json, near.glb, mid.glb, far.glb, near_height.bin, terrain_normal.png

terrain/terrain.json (telescopes, buildings, landmarks), from tools/site_features.json

Creator and credit: Measurements: this app. Imagery: PNOA-MA © Instituto Geográfico Nacional
Original: https://www.ign.es/wms-inspire/pnoa-ma
Source: Positions of 18 telescopes and 23 support buildings measured by hand for this app on the PNOA-MA orthophoto - https://www.ign.es/wms-inspire/pnoa-ma
Changes: as given under Source
Licence: Our measurements; the imagery used to make them is CC BY 4.0 (scne.es). - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/journeys/observatory/terrain/terrain.json
Download as the app ships it: terrain.json

src/journeys/chapters/observatory/star_notes.json (data)

Creator and credit: IAU WGSN; Yale University Observatory
Source: Star names: IAU Working Group on Star Names. Distances: the Yale General Catalogue of Trigonometric Stellar Parallaxes (van Altena, Lee and Hoffleit 1995; only parallaxes of at least 5 times their error), or the named paper for Betelgeuse (Joyce et al. 2020), Mintaka (Shenar et al. 2015), Alnitak (Hummel et al. 2013), Alnilam (Puebla et al. 2016), Deneb (Schiller and Przybilla 2008) and alpha Centauri (Kervella et al. 2016), by tools/build_star_distances.py
Changes: converted to the app's file format
Licence: Names CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/); parallaxes public domain catalogue data.
In the app as: src/journeys/chapters/observatory/star_notes.json
Download as the app ships it: star_notes.json

images/pillars_hubble.jpg

Creator and credit: NASA, ESA/Hubble and the Hubble Heritage Team
Original: https://esahubble.org/images/heic1501a/
Source: ESA/Hubble heic1501a, "New view of the Pillars of Creation - visible" - https://esahubble.org/images/heic1501a/ (cropped)
Changes: as given under Source
Licence: CC BY 4.0 - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/journeys/telescopes/images/pillars_hubble.jpg
Download as the app ships it: pillars_hubble.jpg

images/pillars_webb.jpg

Creator and credit: NASA, ESA, CSA, STScI; Joseph DePasquale (STScI), Anton M. Koekemoer (STScI), Alyssa Pagan (STScI)
Original: https://esawebb.org/images/weic2216b/
Source: ESA/Webb weic2216b, "Pillars of Creation (NIRCam)" - https://esawebb.org/images/weic2216b/ (reprojected onto the Hubble view with the images' AVM astrometry, cropped)
Changes: as given under Source
Licence: CC BY 4.0 - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/journeys/telescopes/images/pillars_webb.jpg
Download as the app ships it: pillars_webb.jpg

images/cosmic_cliffs.jpg

Creator and credit: NASA, ESA, CSA, and STScI
Original: https://esawebb.org/images/weic2205a/
Source: ESA/Webb weic2205a, "NIRCam Image of the Cosmic Cliffs in Carina" - https://esawebb.org/images/weic2205a/
Changes: cropped and resized
Licence: CC BY 4.0 - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/journeys/telescopes/images/cosmic_cliffs.jpg
Download as the app ships it: cosmic_cliffs.jpg

images/southern_ring.jpg

Creator and credit: NASA, ESA, CSA, STScI, and the Webb ERO Production Team
Original: https://esawebb.org/images/weic2207b/
Source: ESA/Webb weic2207b, "Southern Ring Nebula (NIRCam Image)" - https://esawebb.org/images/weic2207b/
Changes: cropped and resized
Licence: CC BY 4.0 - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/journeys/telescopes/images/southern_ring.jpg
Download as the app ships it: southern_ring.jpg

images/deep_field.jpg

Creator and credit: NASA, ESA, CSA, and STScI
Original: https://esawebb.org/images/weic2209a/
Source: ESA/Webb weic2209a, "Webb's First Deep Field (NIRCam)" - https://esawebb.org/images/weic2209a/
Changes: cropped and resized
Licence: CC BY 4.0 - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/journeys/telescopes/images/deep_field.jpg
Download as the app ships it: deep_field.jpg

eht_m87.jpg (square crop, 1024 px)

Creator and credit: EHT Collaboration
Original: https://www.eso.org/public/images/eso1907a/
Source: ESO eso1907a, "First image of a black hole" (M87*) - https://www.eso.org/public/images/eso1907a/
Changes: cropped and resized to 1024 px
Licence: CC BY 4.0 - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/journeys/black_hole/eht_m87.jpg
Download as the app ships it: eht_m87.jpg

eht_sgra.jpg (1024 px)

Creator and credit: EHT Collaboration
Original: https://www.eso.org/public/images/eso2208-eht-mwa/
Source: ESO eso2208-eht-mwa, "First image of the black hole at the heart of the Milky Way" (Sgr A*) - https://www.eso.org/public/images/eso2208-eht-mwa/
Changes: cropped and resized to 1024 px
Licence: CC BY 4.0 - https://creativecommons.org/licenses/by/4.0/
In the app as: assets/journeys/black_hole/eht_sgra.jpg
Download as the app ships it: eht_sgra.jpg

m31.jpg

Creator and credit: Bill Schoening, Vanessa Harvey/REU program/NOIRLab/NSF/AURA
Original: https://noirlab.edu/public/images/noao0001a/
Source: "The Andromeda Galaxy" (noao0001a), Kitt Peak - https://noirlab.edu/public/images/noao0001a/ ; by tools/deepsky/prep_m31.py: rotated, cropped, foreground stars of our own galaxy removed, sky masked to black, colour balanced
Changes: as given under Source
Licence: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/).
In the app as: assets/journeys/galaxies/m31.jpg
Download as the app ships it: m31.jpg

cosmic/groups.bin

Creator and credit: R. B. Tully, E. Kourkchi, H. M. Courtois et al. (Cosmicflows-4)
Original: https://cdsarc.cds.unistra.fr/ftp/J/ApJ/944/94/
Source: Cosmicflows-4 (Tully et al. 2023, ApJ 944, 94), table 4: 37,998 of its 38,053 galaxy groups (those faster than 50 km/s), their positions from their redshifts - https://cdsarc.cds.unistra.fr/ftp/J/ApJ/944/94/ ; by src/journeys/chapters/galaxies/tools/make_cosmic_scales.py
Changes: as given under Source
Licence: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/; the article and its tables, Crossref licence record of doi:10.3847/1538-4357/ac94d8). Changes: positions turned into light-travel distances in millions of light-years and packed as 16-bit numbers; a flag for groups inside Laniakea's edge (Dupuy and Courtois 2023) and the number of galaxies with a distance in each group added
In the app as: assets/journeys/galaxies/cosmic/groups.bin
Download as the app ships it: groups.bin

cosmic/flows.bin

Creator and credit: H. M. Courtois, J. Mould, A. M. Hollinger, A. Dupuy, C. P. Zhang (CF4++)
Original: https://projets.ip2i.in2p3.fr//cosmicflows/
Source: Streamlines traced for this app in the CF4++ velocity field (the mean of 10,000 reconstructions, 128 cells a side over 1000 Mpc/h) of Courtois et al. 2025, A&A 701, A187 - https://projets.ip2i.in2p3.fr//cosmicflows/ (CF4pp_mean_std_grids.npz) ; by make_cosmic_scales.py
Changes: as given under Source
Licence: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/): the article is CC BY 4.0 (doi:10.1051/0004-6361/202553677) and says "we publicly release the CF4++ catalogue, as well as the reconstructed density and velocity fields used in this work"; the data page asks for a citation of the article. Changes: 480 streamlines traced forward from seeds round us, every second point kept, positions turned into light-travel distances; owner point in docs/LICENCE_DECISIONS.md section 7
In the app as: assets/journeys/galaxies/cosmic/flows.bin
Download as the app ships it: flows.bin

cosmic/shell.bin

Creator and credit: A. Dupuy and H. M. Courtois
Original: https://projets.ip2i.in2p3.fr//cosmicflows/
Source: Laniakea's edge: basin 1 of the CF4 watersheds of Dupuy and Courtois 2023, A&A 678, A176 - https://projets.ip2i.in2p3.fr//cosmicflows/ (CF4_new_128-z008_watersheds-fits.zip, CF4_new_128-z008_BoA.fits) ; by make_cosmic_scales.py
Changes: as given under Source
Licence: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/): the article is CC BY 4.0 (doi:10.1051/0004-6361/202346802) and the basins are its published data; the data page asks for a citation. Changes: the basin's surface by marching cubes, smoothed and simplified to 4,748 triangles, positions turned into light-travel distances; owner point in docs/LICENCE_DECISIONS.md section 7
In the app as: assets/journeys/galaxies/cosmic/shell.bin
Download as the app ships it: shell.bin

cosmic/cosmic_scales.json

Creator and credit: As the four files above
Source: The counts, the frame and the named places of the four files above (positions from Cosmicflows-4, CF4++ and SDSS DR17); by make_cosmic_scales.py
Changes: as given under Source
Licence: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/), as groups.bin. Changes: as above
In the app as: assets/journeys/galaxies/cosmic/cosmic_scales.json
Download as the app ships it: cosmic_scales.json

Notices that travel with the files

These licences are not Creative Commons licences, but their notices must be kept with the files. The full texts are in the app's credits screen and next to the files in the app.

AtkinsonHyperlegible-Regular.ttf, -Bold.ttf: Braille Institute of America, Inc. (Copyright 2020). SIL Open Font License 1.1 (AtkinsonHyperlegible-OFL.txt).
Andika-Regular.ttf, Andika-Bold.ttf: SIL International. SIL Open Font License 1.1 (Andika-OFL.txt).
src/ui/theme/fonts/UxReading-*.ttf ("Ux Reading"): Braille Institute of America, Inc.; modification by this project. SIL Open Font License 1.1 (reserved font name not used).
sky/constellations.json (stick figures): Olaf Frohn, after the IAU constellation charts by the IAU and Sky & Telescope (Roger Sinnott, Rick Fienberg). BSD 3-Clause, Copyright © 2015 Olaf Frohn (the copyright notice and licence text must be reproduced in the app's credits or licences screen).

The d3-celestial licence (BSD 3-Clause)

The constellation stick figures (assets/sky/constellations.json) come from d3-celestial by Olaf Frohn. Its copyright notice and licence, as the app ships them in assets/sky/d3-celestial-LICENSE.txt and shows them on its credits screen:

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Download the licence file: d3-celestial-LICENSE.txt

Questions about these files: see the Help and support page.