EditorialMirror with Clouds and Nebulae, 200-100 BC. China, Western Han dynasty (202 BC-AD 9). Bronze; diameter: 10 cm (3 15/16 in.); overall: 1.2 cm (1/2 in.); rim: 0.4 cm (3/16 in.).
EditorialPhasis comet last in first three days, Illustration of a comet over three days from the 17th century, pl., 1, p. 88, 1618, Giovanni Battista Hodierna: De systemate orbis cometici deque admirandis coeli characteribus, opuscula duo, in quorum primo comet...
EditorialPhotograph - Orion Nebula, Taken with the Great Melbourne Telescope, Victoria, 26 Feb 1883, Photograph of Orion Nebula, taken by Joseph Turner with the Great Melbourne Telescope on 26 Feb 1883, with an exposure of 4 minutes. In 1882 astronomers in Brit...
EditorialMirror with Clouds and Nebulae, 200-100 BC. China, Western Han dynasty (202 BC-AD 9). Bronze; diameter: 10 cm (3 15/16 in.); overall: 1.2 cm (1/2 in.); rim: 0.4 cm (3/16 in.).