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Podcast: StarDate
Episode: Stellar Feedback
Description: Stars are born when giant clouds of gas and dust break apart and collapse. And if that’s all there was to it, the Milky Way Galaxy would give birth to a couple of hundred stars every year. Instead, thanks to feedback from the stars themselves, it makes only a few.
Feedback is a process that clears away the material for making stars, but can also trigger the birth of more stars.
Young stars, for example, produce winds and jets that blow away the gas and dust around them. Since stars are born in clusters, ma...