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Azimuthal semicircle in Taqī al-Dīn's description of his instruments & observatory in Istanbul, 1570-90 @GallicaBnF https://t.co/NbDUyVpsJ5
'The Constellation Capricornus' @universetoday https://t.co/Md4UWNelhy
Frontispiece of the "Harmonia Macrocosmica" (1660) of Andreas Cellarius https://t.co/AHGm91DXwb
Montgolfier Brothers' Balloon Clock, French, 1781-1800, with signs for the hours and signs of the zodiac @MUO_ZAGREB https://t.co/SpiRGZ91ey
Marble sculpture of Rahu, who swallows the Sun, thus causing eclipses (ascending node), Jaipur, India, 19thC; https://t.co/tLGVgsu1WN.
Astrolabe by Khalil Muhammad, Iran, 1697 (rete 1830/1); flower-shaped star pointers (scorpion at top) @AdlerPlanet https://t.co/O9ZpJqkeFK
Isaac Newton's book auctioned for record-setting $3.7 million | https://t.co/IdkE5aREXn
Painted pottery figures of the animals of the Chinese zodiac, Tang Dynasty (618-907 CE); Shaanxi History Museum, China.
Frontispiece in Antoni van Leeuwenhoek's "Arcana naturae detecta", 1722 ed. https://t.co/1BSzXfczki
The man who discovered the speed of light did it by accident https://t.co/JiWojeE1g1