Why sibling stars look alike: Early, fast mixing in star-birth clouds

Early, fast, turbulent mixing of gas within giant molecular clouds -- the birthplaces of stars -- means all stars formed from a single cloud bear the same unique chemical 'tag' or 'DNA fingerprint,' write astrophysicists. Could such chemical tags help astronomers identify our own Sun's long-lost sibling stars?

Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/D...