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Abd al-Rahman al-Sufi
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ʿAbd al-Raḥmān al-Ṣūfī was a Persian astronomer.
Al-Ṣūfī, as depicted in Albrecht Dürer's woodcut Imagines coeli septentrionales cum duodecim imaginibus zodiaci [The Northern Celestial Hemisphere with the Twelve Signs of the Zodiac] (1515)
Al-Ṣūfī, as depicted in Albrecht Dürer's woodcut Imagines coeli septentrionales cum duodecim imaginibus zodiaci [The Northern Celestial Hemisphere wit
“Sign of Sagittarius” by al-Sufi in his book Ṣuwar al-kawākib al-thābita, Artuqid Mardin, 1131 CE.
“Sign of Sagittarius” by al-Sufi in his book Ṣuwar al-kawākib al-thābita, Artuqid Mardin, 1131 CE.
Sagittarius from The Depiction of Celestial Constellations
Sagittarius from The Depiction of Celestial Constellations
Andromeda Galaxy
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The Andromeda Galaxy is a barred spiral galaxy and is the nearest major galaxy to the Milky Way. It was originally named the Andromeda Nebula and is cataloged as Messier 31, M31, and NGC 224. Andromed
Abd al-Rahman al-Sufi
…misunderstanding of a reference to some stars south of Canopus, which he admits he did not observe. He also made the earliest recorded observation of the Andromeda Galaxy in 964, describing it as a "small cloud". This was the first galaxy other than the Milky Way to be mentioned in writing. Al-Ṣūfī also wrote about the…
The earliest known photograph of the Great Andromeda "Nebula" (with M110 to the upper right), by Isaac Roberts (29 December 1888)
The earliest known photograph of the Great Andromeda "Nebula" (with M110 to the upper right), by Isaac Roberts (29 December 1888)
Largest Mosaic of Andromeda by Hubble with details: (a) Clusters of bright blue stars embedded within the galaxy, background galaxies seen much farthe
Largest Mosaic of Andromeda by Hubble with details: (a) Clusters of bright blue stars embedded within the galaxy, background galaxies seen much farther away, and photo-bombing by a couple bright foreground stars that are actually inside our Milky Way; (b) NGC 206 the most conspicuous star cloud in Andromeda; (c) A young cluster of blue newborn stars; (d) The satellite galaxy M32, that may be the residual core of a galaxy that once collided with Andromeda; (e) Dark dust lanes across myriad stars.
Processed image of the Andromeda Galaxy, with enhancement of H-alpha to highlight its star-forming regions
Processed image of the Andromeda Galaxy, with enhancement of H-alpha to highlight its star-forming regions
Illustration showing both the size of each galaxy and the distance between the two galaxies, to scale
Illustration showing both the size of each galaxy and the distance between the two galaxies, to scale