Astronomers finally know why stars born from the same cloud aren't identical twins

Astronomers finally know why giant binary stars born from the same collapsing cloud of gas and dust can be "non-identical twins" with different characteristics and planetary systems.

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Chile ,Carlos Saffe ,Institute Of Astronomical ,Space Sciences ,Gemini South ,Northern Chile ,Gemini High Resolution Optical Spectrograph ,Binary Stars ,Twin Stars ,Chemical Composition ,Chemical Compounds ,Planetary Systems ,Stars ,