Constellations of Gemini and Canis Minor, 1729. From Atlas Coelestis, by John Flamsteed (1646-1710), the first Astronomer Royal. Artist Unknown. (Photo by Historica Graphica Collection/Heritage Images/Getty Images)
Constellations of Gemini and Canis Minor, 1729. From Atlas Coelestis, by John Flamsteed (1646-1710), the first Astronomer Royal. Artist Unknown. (Photo by Historica Graphica Collection/Heritage Images/Getty Images)