The Milky Way's spiral arms are regions of intense star formation from "summary" of The Milky Way by Moiya McTier
The Milky Way's spiral arms are like bustling cities in the galaxy. They are the vibrant neighborhoods where stars are born at a rapid pace. These regions are teeming with gas and dust, the raw materials needed for new stars to form. As these materials clump together under the force of gravity, they begin to collapse and ignite nuclear fusion, giving birth to bright, new stars. The spiral arms of the Milky Way are where the action happens. They are dynamic and ever-changing, with massive star nurseries scattered throughout. These nurseries are filled with young, hot stars that shine brightly as they continue to grow and evolve. The intense radiation and stellar winds emitted by these young stars sculpt the surrounding gas clouds, creatin...
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