History of Astronomyさんのイラストまとめ

"Top 10 Remarkable Astronomical Clocks" https://t.co/NBhc49VVFg via @wonderslist

Leo and the Sun from a Turkish collection of astrological treatises, Istanbul, 1601-15 (Turc 196) @GallicaBnF https://t.co/KC81W3WXmi

17thC-18thC portable Korean sundial w/ engraved indications; shadow indicates time & season when gnomon faces north https://t.co/xp9bN4zMxi

Gazing at the starry heavens: Michael Hoskin's book "Caroline Herschel: Priestess of the Heavens", published in 2013 https://t.co/Scw6dPrXMp

The arrow of time? It's all in our heads | https://t.co/pkdADYyZLG https://t.co/asej0Xgq8o via @AstronomyMag

Brass astrolabe by Mahmud ibn Jalal ibn Ja`far, Iran, 1433/4 @AdlerPlanet https://t.co/UGn00kyVXh

Bowl w/ dragons associated w/ pseudo-planet al-Jawzahr, able to cause eclipses by swallowing Moon & Sun; Iran, 1210 https://t.co/Lz1LleVOZL

Japanese Zodiac Surimono by Indai (often these were exchanged at New Year's), 1866 @artinstitutechi https://t.co/a9HuDoEkeu

Turkish astrolabe-quadrant by Ahmad al-Ayyûbî', 1682/3 CE; lacquered wood, with original case of velvet @MHSOxford https://t.co/CBHi8e6sf4

Astrolabe w/ 4 plates, by Hajji 'Ali, Iran, 1793/4 @NMMGreenwich https://t.co/umlKdpi9PP