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The Whirlpool Galaxy, also known as Messier 51a (M51a) or NGC 5194, is an interacting grand-design spiral galaxy with a Seyfert 2 active galactic nucleus. [6] [7] [8] It lies in the constellation Canes Venatici, and was the first galaxy to be classified as a spiral galaxy. [9]
The Samsung Galaxy M51 is a mid-range Android smartphone manufactured by Samsung Electronics as part of their M series. It was announced in late August 2020 and released the following month. It was announced in late August 2020 and released the following month.
The M51 Group is located to the southeast of the M101 Group and the NGC 5866 Group. [6] The distances to these three groups (as determined from the distances to the individual member galaxies) are similar, which suggests that the M51 Group, the M101 Group, and the NGC 5866 Group are actually part of a large, loose, elongated structure. [6]
The density wave theory posits that the spiral pattern is a density wave, thereby rotating independently of the disc as a solid body. Consequently, spiral arms are designated as wave arms. It is possible for these types of spiral arms to occur simultaneously within the same galaxy.
The Samsung Galaxy M series is a line of online-exclusive low-range to mid-range budget smartphones manufactured by Samsung Electronics. The first models in the series, the Samsung Galaxy M10 and M20 , were released on February 5, 2019; they were followed by the Samsung Galaxy M30 on March 7 and the Samsung Galaxy M40 on June 18.
The most famous of these objects is the Whirlpool Galaxy (M51; Arp 85), which is composed of a spiral galaxy NGC 5194 that is interacting with a smaller elliptical galaxy NGC 5195. The interaction has distorted the shape of both galaxies; the spiral arm pattern has been enhanced in the larger spiral galaxy, and a bridge of stars and gas has ...
SN 2011dh was a supernova in the Whirlpool Galaxy (M51). It was discovered on 31 May 2011, with an apparent magnitude 13.5. [4] and confirmed by several sources, including the Palomar Transient Factory. [5]
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