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M33 | Triangulum galaxy, is a face-on spiral galaxy, 50,000 ly in diameter, 3rd largest in the Local Group of galaxies after Andromeda (M31) and the Milky Way. It is about 3 million ly from the Milky Way. Mt. Lemmon SkyCenter

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Messier 33 is the 2nd-closest spiral galaxy | EarthSky 11/24/16 Triangulum galaxy, aka Messier 33. is 2.7 million light-years away, and the third-largest member of our Local Group, after the Milky Way and Andromeda galaxies.Triangulum galaxy - aka M33 - VLT Survey Telescope at European Southern Observatory's Paranal Observatory in Chile.

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I used to want to be an astronomer and it is something that still really interests me. I love space and stars and galaxies and constellations. <3 *

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The Andromeda Galaxy is one of only ten galaxies that can be seen from Earth with the unaided eye. The vast majority of stars that are visible with the unaided eye are located in our galaxy. This places Andromeda in rare company…… Read More

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Galaxies Collide ~ Top right is M31, the Andromeda Galaxy, 2.5 million light-years away. Bright yellow star at the center is Mirach, beta star in the constellation Andromeda. Bottom left is M33, the Triangulum Galaxy, is also about 3 million light years away. Although they look far apart, M31 and M33 are engaged in a gravitational struggle. Radio astronomers have found indications of a bridge of neutral hydrogen gas that could connect the two, evidence of a closer encounter in the past…

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The Andromeda Galaxy, also known as Messier 31 or NGC 224. To learn more about galaxies, check out #Astronomy Is Awesome - http://astronomyisawesome.com/galaxies/whats-the-closest-galaxy-to-us/

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This face-on spiral galaxy – Messier 33 aka M33 – is the second-closest spiral to our Milky Way at 3 million light-years away. Image credit: ESO

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