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Spiral galaxy UGC 12591 is classified as an S0/Sa galaxy. [1]The Hubble sequence is a morphological classification scheme for galaxies invented by Edwin Hubble in 1926. [2] [3] It is often known colloquially as the “Hubble tuning-fork” because of the shape in which it is traditionally represented.
This template is used on approximately 2,500 pages and changes may be widely noticed. ... Galaxy morphological classification --> ... Numerical Hubble stage −6 −5
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On the right of the Hubble sequence diagram are two parallel branches encompassing the spiral galaxies. A spiral galaxy consists of a flattened disk, with stars forming a (usually two-armed) spiral structure, and a central concentration of stars known as the bulge. Roughly half of all spirals are also observed to have a bar-like structure, with ...
The word galaxy is derived from the Greek galaxias (γαλαξίας), literally "milky", a reference to the Milky Way. Galaxies range in size from dwarfs with just a few billion (109) stars to giants with one hundred trillion (1014) stars, each orbiting its galaxy's center of mass.
Print/export Download as PDF ... Pages in category "Galaxy morphological types" ... Galaxy morphological classification * Hubble sequence; A. Anemic galaxy; B. Barred ...
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The galaxy's strange morphology is generally recognized as the result of a merger between two smaller galaxies. [34] Zoom movie of the galaxy Centaurus A, showing different aspects of the galaxy in several wavelengths. Schematic diagram of the components of the Centaurus A galaxy. The bulge of this galaxy is composed mainly of evolved red stars ...