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Sagittarius is one of the constellations of the zodiac and is located in the Southern celestial hemisphere. It is one of the 48 constellations listed by the 2nd-century astronomer Ptolemy and remains one of the 88 modern constellations. Its old astronomical symbol is (♐︎). Its name is Latin for "archer".
Messier 69 or M69, also known NGC 6637, and NGC 6634, [9] [10] is a globular cluster in the southern constellation of Sagittarius. [a] It can be found 2.5° to the northeast of the star Epsilon Sagittarii and is dimly visible in 50 mm aperture binoculars. The cluster was discovered by Charles Messier on August 31, 1780, the same night he ...
NGC 6565 (also known as ESO 456-70) is a planetary nebula in the constellation of Sagittarius. The object formed when a star ejected its outer layers during the late stages of its evolution . The remnant core of the star, a white dwarf , is emitting vast amounts of ultraviolet radiation that ionizes , or excites, the gas surrounding it, making ...
Artist's rendition of the docking of Orion to the ISS Ares I-X launches from LC-39B, 15:30 UTC, October 28, 2009.. The Constellation Program was NASA's planned future human spaceflight program between 2005 and 2009, which aimed to develop a new crewed spacecraft and a pair of launchers (Ares I and Ares V) to continue servicing the International Space Station and return to the Moon.
Messier 22 or M22, also known as NGC 6656 or the Great Sagittarius Cluster, is an elliptical globular cluster of stars in the constellation Sagittarius, near the Galactic bulge region. It is one of the brightest globulars visible in the night sky.
Messier 18 or M18, also designated NGC 6613 and sometimes known as the Black Swan Cluster, is an open cluster of stars in the constellation Sagittarius.It was discovered by Charles Messier in 1764 and included in his list of comet-like objects. [8]
OGLE-2007-BLG-349(AB)b [note 1] [2] is a circumbinary extrasolar planet about 8,000 light-years away in the constellation of Sagittarius. [3] It is the first circumbinary exoplanet to be discovered using the microlensing method of detecting exoplanets.
Messier 21 or M21, also designated NGC 6531 or Webb's Cross, is an open cluster of stars located to the north-east of Sagittarius in the night sky, close to the Messier objects M20 to M25 (except M24). It was discovered and catalogued by Charles Messier on June 5, 1764. [7] This cluster is relatively young and tightly packed.