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The Magellanic Clouds ( Magellanic system [2] [3] or Nubeculae Magellani [4]) are two irregular dwarf galaxies in the southern celestial hemisphere. Orbiting the Milky Way galaxy, these satellite galaxies are members of the Local Group. Because both show signs of a bar structure, they are often reclassified as Magellanic spiral galaxies.
Hoag's Object is an unusual ring galaxy in the constellation of Serpens Caput. [5] It is named after Arthur Hoag, who discovered it in 1950 and identified it as either a planetary nebula or a peculiar galaxy. [6] The galaxy has a D 25 isophotal diameter of 45.41 kiloparsecs (148,000 light-years ). [1]
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.
Milky Way Farm Manor House, May 2014. / 35.31028°N 87.03750°W / 35.31028; -87.03750. Milky Way Farm in Giles County, Tennessee, is the former estate of Franklin C. Mars, founder of Mars Candies. The property is named for the company's Milky Way candy bar. [2] During the Great Depression, the estate was the largest employer in Giles ...
Scutum–Centaurus Arm. The Scutum–Centaurus Arm, also known as Scutum-Crux arm, is a long, diffuse curving streamer of stars, gas and dust that spirals outward from the proximate end of the Milky Way 's central bar. The Milky Way has been posited since the 1950s to have four spiral arms — numerous studies contest or nuance this number. [1]
Stephenson 2 DFK 1, also known as RSGC2-01 or St2-18, is a red supergiant (RSG) or possible extreme red hypergiant (RHG) star in the constellation of Scutum.It lies near the open cluster Stephenson 2, which is located about 5.8 kiloparsecs (19,000 light-years) away from Earth in the Scutum–Centaurus Arm of the Milky Way galaxy, and is assumed to be one of a group of stars at a similar ...
Planet candidate. In September 2020, the detection by the Chandra X-ray Observatory of a candidate exoplanet, named M51-ULS-1b, orbiting the high-mass X-ray binary M51-ULS-1 in this galaxy was announced. If confirmed, it would be the first known instance of an extragalactic planet, a planet outside the Milky Way Galaxy.
April 10, 2019. ( 2019-04-10) The Planets, retitled The Planets and Beyond for its second season, is a documentary television series produced by the Science Channel that aired from 2017 to 2019. It explores the planets and of the Solar System, exoplanets, and other astronomical objects .