In a recent study, astronomers have discovered that a clash between radiant protostars and shadowy clouds is the primary cause of star formation in the Milky Way. These protostars, which are young stars still in the process of forming, emit a strong, scattered radiation that causes the surrounding clouds to collapse, eventually leading to the formation of a new star. This new insight into the star formation process is helping astronomers better understand how our own galaxy was formed.

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source: Phys.org