Physics
Suns and daughters: The family tree that may unite all the stars
The chemical make-up of stars tells us a lot about their explosive family history. Unlocking those secrets could reveal how the galaxy got its shape
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The chemical make-up of stars tells us a lot about their explosive family history. Unlocking those secrets could reveal how the galaxy got its shape
The next destination for NASA鈥檚 New Horizons spacecraft is a small space rock in the Kuiper belt called MU69. Now we know it may have an even smaller moon