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Hace 13 horas · AD An extreme oxygen-rich red hypergiant that has experienced two dimming periods in the 20th century where the star became dimmer by up to 2.5 magnitudes. Potentially the largest known star in the Milky Way. AH Scorpii: 1,411 ± 124: AD RSGC1-F06 1,382 +298 −384: L/T eff: CD-33 12241: 1,359: L/T eff: Stephenson 2 DFK 2: 1,301 +259 −325: L ...
Hace 13 horas · Alpha Centauri ( α Centauri, Alpha Cen, or α Cen) is a triple star system in the southern constellation of Centaurus. It consists of three stars: Rigil Kentaurus (Alpha Centauri A), Toliman (B) and Proxima Centauri (C). [13] Proxima Centauri is the closest star to the Sun at 4.2465 light-years (1.3020 pc ). Alpha Centauri A and B are Sun-like ...
Hace 13 horas · Influenced. Post-Gothic, Gothic Revival architecture, Baroque Gothic. Gothic architecture is an architectural style that was prevalent in Europe from the late 12th to the 16th century, during the High and Late Middle Ages, surviving into the 17th and 18th centuries in some areas. [1] It evolved from Romanesque architecture and was succeeded by ...
Hace 13 horas · Life Omar Khayyam was born in Nishapur —a metropolis in Khorasan province, of Persian stock, in 1048. In medieval Persian texts he is usually simply called Omar Khayyam. : 658 [c] Although open to doubt, it has often been assumed that his forebears followed the trade of tent-making, since Khayyam means 'tent-maker' in Arabic. : 30 The historian Bayhaqi, who was personally acquainted with ...
Hace 13 horas · List of largest empires. The British Empire (red) and Mongol Empire (blue) were the largest and second-largest empires in history, respectively. The precise extent of the Mongol Empire at its greatest territorial expansion is a matter of debate among scholars. Several empires in human history have been contenders for the largest of all time ...
Hace 13 horas · Countries named are where authors worked for long periods.; Subject codes: A (architecture), Aa (applied arts), Af (armed forces), Ag (agriculture), Ar (archaeology ...
Hace 13 horas · www.Ceuta.es. Ceuta ( UK: / ˈsjuːtə /, US: / ˈseɪuːtə /, [5] [6] Spanish: [ˈsewta, θewta]; Arabic: سَبْتَة, romanized : Sabtah) is an autonomous city of Spain on the North African coast. Bordered by Morocco, it lies along the boundary between the Mediterranean Sea and the Atlantic Ocean.
