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Astronomers watch star clusters spewing out dust

Galaxies are often thought of as sparkling with stars, but they also contain gas and Dust. Now, a team led by UCLA astronomers has used new data to show that stars are responsible for producing dust on galactic scales, a finding consistent with long-standing theory. Dust is important because it is a key component of rocky planets such as Earth. In the galaxy II Zw 40, dust (shown in yellow) is strongly associated with clusters of...

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Astronomers watch star clusters spewing out dust

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