explore-blog:

When 13th-century Arab and Persian astronomers mapped the skies. Pair with this visual history of mapping the cosmos and 100 diagrams that changed the world.
(↬ Coudal)

explore-blog:

When 13th-century Arab and Persian astronomers mapped the skies. Pair with this visual history of mapping the cosmos and 100 diagrams that changed the world.

( Coudal)

(Source: explore-blog, via asianhistory)