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Galactic quadrant. Longitudinal lines of the galactic coordinate system. A galactic quadrant, or quadrant of the Galaxy, is one of four circular sectors in the division of the Milky Way Galaxy. Numbered quadrants and sectors of constellations. Quadrants as starcharts, with most prominent stars marked.
The galactic coordinate system is a celestial coordinate system in spherical coordinates, with the Sun as its center, the primary direction aligned with the approximate center of the Milky Way Galaxy, and the fundamental plane parallel to an approximation of the galactic plane but offset to its north. It uses the right-handed convention ...
The Milky Way [c] is the galaxy that includes the Solar System, with the name describing the galaxy's appearance from Earth: a hazy band of light seen in the night sky formed from stars that cannot be individually distinguished by the naked eye.
At its height, the Galactic Empire spanned the entire Milky Way galaxy. The Galactic Empire is an interstellar empire featured in Isaac Asimov 's Robot, Galactic Empire, and Foundation series. The Empire is spread across the Milky Way galaxy and consists of almost 25 million planets [1] [2] settled exclusively by humans.
It is catalogued as Messier 33 or NGC ( New General Catalogue) 598. With the D 25 isophotal diameter of 18.74 kiloparsecs (61,100 light-years ), the Triangulum Galaxy is the third-largest member of the Local Group of galaxies, behind the Andromeda Galaxy and the Milky Way . The galaxy is the second-smallest spiral galaxy in the Local Group ...
Boötes Void. The Boötes Void ( / boʊˈoʊtiːz / boh-OH-teez) (colloquially referred to as the Great Nothing) [1] is an approximately spherical region of space found in the vicinity of the constellation Boötes, containing only 60 galaxies instead of the 2000 that should be expected from an area this large, hence its name.
On-screen examples include Tatooine, Yavin, Hoth, Bespin, Endor, Geonosis, Utapau, Mustafar, and Kessel. Wild Space – star systems located beyond the Outer Rim – because a galaxy's "edge" is not a fixed border line, but a concentration of stars tapering off in frequency.
Orion Arm. The Orion Arm, also known as the Orion–Cygnus Arm, is a minor spiral arm within the Milky Way Galaxy spanning 3,500 light-years (1,100 parsecs) in width and extending roughly 10,000 light-years (3,100 parsecs) in length. [2] This galactic structure encompasses the Solar System, including Earth.