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What Is The Definition Of A Spiral Galaxy?

January 24, 2024 by David Martineau

What Is The Definition Of A Spiral Galaxy? Spiral galaxies are twisted collections of stars and gas that often have beautiful shapes and are made up of hot young stars. … Most spiral galaxies contain a central bulge surrounded by a flat, rotating disk of stars. What is a spiral galaxy simple definition? Spiral galaxies

What Are The 4 Types Of Galaxies?

January 24, 2024 by Rebecca Patel

What Are The 4 Types Of Galaxies? In 1936, Hubble debuted a way to classify galaxies, grouping them into four main types: spiral galaxies, lenticular galaxies, elliptical galaxies, and irregular galaxies. What are the 4 types of galaxies and their definitions? There are four main categories of galaxies: elliptical, spiral, barred spiral, and irregular. These