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Classification of universe |
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Answer» Galaxies are classified into four classes: spirals, barred spirals, ellipticals and irregulars. It is based on the shapes of the galaxies.Explanation:Galaxies are very important fundamental building blocks of the Universe. Some are simple, while others are very complex in structure. As one of the first steps towards a coherent theory of galaxy evolution, the American astronomer Edwin Hubble, developed a classification scheme of galaxies in 1926.The Hubble classification of galaxies, also referred to as the ‘tuning fork’ diagram because of its shape, classes galaxies along three main lines into:Elliptical galaxiesSpiral galaxiesBarred Spiral Galaxies |
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