Image credits
Heaven and Earth gratefully uses photographs and historical prints from museums, archives, and generous photographers. Each image below is listed with its creator, licence, and source.
Licences abbreviated as: CC BY-SA 4.0.
Landing & lineage
Prague Orloj
Andrew Shiva / Wikipedia · CC BY-SA 4.0 · Wikimedia Commons
Strasbourg Cathedral astronomical clock
Gorm Rødder · Author's photograph
Münster Cathedral astronomical clock
Dietmar Rabich · CC BY-SA 4.0 · Wikimedia Commons
Cropped from the original.Jens Olsen's World Clock, Copenhagen
Gorm Rødder · Author's photograph
Jens Olsen's World Clock, Copenhagen (full view)
Gerhard Huber / global-geography.org · CC BY-NC 4.0 · global-geography.org
Pheil's Universal Time Indicator (1906)
Published by The Toledo Blade, Toledo, Ohio · Public domain
Breguet “Marie-Antoinette” watch (No. 160)
Michael.vainshtein · CC BY-SA 4.0 · Wikimedia Commons
Patek Philippe Celestial ref. 6102
EMore98 · CC BY-SA 4.0 · Wikimedia Commons
Rolf Schnyder with the Astrolabium Galileo Galilei launch poster
via Italian Watch Spotter · Editorial use · italianwatchspotter.com
Ulysse Nardin Tellurium Johannes Kepler (1992)
Watch.de · Editorial use · watch.de
Bovet Récital 20 Astérium
Watchonista · Editorial use · watchonista.com
Bovet Récital 22 Grand Récital
Watchonista · Editorial use · Bovet 1822 on X
As posted by Bovet with photo credit to Watchonista.Citizen Astrodea celestial watch
Citizen (product image, via Astronomy China) · Editorial use · astrocn.com
Cropped from the original.Christopher Ward C1 Worldtimer
Christopher Ward · Editorial use · christopherward.com
Cropped from the original.Montblanc 1858 Geosphere
Montblanc · Editorial use · montblanc.com
Cropped from the original.Astrolabe of ʻUmar ibn Yusuf al-Muzaffari (Yemen, 1291)
The Metropolitan Museum of Art · CC0 / Public domain · metmuseum.org
Edward C. Moore Collection. Cropped from the original.Armillary sphere sundial
14GTR · CC BY-SA 4.0 · Wikimedia Commons
Cropped from the original.Stereographic projection on an astrolabe tympan (animation)
Michele Invernizzi / DensityDesign Lab, Politecnico di Milano · CC BY-SA 4.0 · Wikimedia Commons
Cropped and re-encoded at a smaller size for the web.
History
Armillary sphere (engraved plate)
Encyclopædia Britannica, 1st ed. (1711) · Public domain · Wikimedia Commons
Arabic astrolabe, diagram after Sarrus (1208)
Historical engraving · Public domain · Wikimedia Commons
Astronomy
Milky Way (artist's impression)
NASA/JPL-Caltech · Public domain · jpl.nasa.gov
Andromeda's true angular size (composite)
Tom Buckley-Houston · Used with permission · tombh.co.uk
Solar analemma over Budapest
György Soponyai · Used with permission · Flickr
The Flammarion engraving
Camille Flammarion, L'atmosphère (1888) · Public domain
Constellation myths
The Emu in the Sky (with rock-engraving tracing)
Barnaby Norris and Ray Norris · CC BY-SA 4.0 · Wikimedia Commons
Cropped to the sky figure.The summer Milky Way (the “Silver River”)
NASA · Public domain · Wikimedia Commons