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The Large Magellanic Cloud (LMC) is a dwarf galaxy and satellite galaxy of the Milky Way. [7] At a distance of around 50 kiloparsecs (163,000 light-years), [2] [8] [9] [10] the LMC is the second- or third-closest galaxy to the Milky Way, after the Sagittarius Dwarf Spheroidal (c. 16 kiloparsecs (52,000 light-years) away) and the possible dwarf irregular galaxy called the Canis Major Overdensity.
The largest of these is the Large Magellanic Cloud with a diameter of 32,200 light-years. [278] It has a close companion, the Small Magellanic Cloud . The Magellanic Stream is a stream of neutral hydrogen gas extending from these two small galaxies across 100° of the sky.
The Large Magellanic Cloud was the host galaxy to a supernova , the brightest observed in over four centuries. Measurements with the Hubble Space Telescope, announced in 2006, suggest the Magellanic Clouds may be moving too fast to be long term companions of the Milky Way . [ 34 ]
Angular diameter or size Relative size Magellanic Stream: over 100° Gum Nebula: 36° Milky Way: 30° (by 360°) Width of spread out hand with arm stretched out 20° 353 meter at 1 km distance Serpens-Aquila Rift: 20° by 10° Canis Major Overdensity: 12° by 12° Smith's Cloud: 11° Large Magellanic Cloud: 10.75° by 9.17°
A large ring of cold gas that formed from a collision of two galaxies. [3] Magellanic Stream: 600,000 ly (180,000 pc) [4] complex of HVCs: Connects the Large and Small Magellanic clouds; extends across 180° of the sky. Lyman-alpha blob 1: 300,000 ly (92,000 pc) [5] LαB: Largest blob in the LAB Giant Concentration [citation needed] Himiko Gas ...
N119 (formally known as LHA 120-N 119) is a spiral-shaped H II region in the Large Magellanic Cloud. Its dimensions are large, at 131 x 175 pc (430 × 570 ly). [2] It contains several luminous stars including S Doradus, LH41-1042, and LMC195-1. Its peculiar S-shaped structure is difficult to explain with classical models.
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R126, formally RMC (Radcliffe observatory Magellanic Cloud) 126, is a massive luminous star with several unusual properties. It exhibits the B[e] phenomenon where forbidden emission lines appear in the spectrum due to extended circumstellar material.