How are galaxies classified according to their shapes
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Galaxies are present in many different shapes and sizes . Galaxies can be classified according to their shapes: spiral, elliptical, or irregular.
Edwin Hubble devised another classification for galaxies. His system included elliptical and spiral galaxies but excluded irregulars.
He classified spiral and barred spiral galaxies further as per the size of their central bulge and the texture of their arms. Today, astronomers use three main galaxy classes: spirals, ellipticals, and irregulars.
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