lenticular galaxy
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NGC 5866 in Draco. Hubble Space Telescope image
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A galaxy with a central bulge and disk but apparently lacking spiral arms and substantial amounts of interstellar material. Lenticular galaxies are so named because of their lens-like appearance when seen edge-on. In the Hubble scheme of galaxy classification, lenticulars are known as S0 galaxies and are intermediate in form between spiral galaxies and ellipticals.
Related category
• GALAXIES
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