Question

Galaxies are classed according to what?

Answer 1

Galaxies are classed according toHubble Sequence.

Hope it will help uhj

Answer 2

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Galaxies are classed according to Hubble Sequence

Edwin Hubble invented a classification of galaxies and grouped them into four classes: spirals, barred spirals, ellipticals and irregulars. He classified spiral and barred spiral galaxies further according to the size of their central bulge and the texture of their arms.