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Astrophysics

Stellar siblings grow closer with age

High-mass stars often pair up to form binary systems. Observations reveal that the stars in such systems are born farther apart than was formerly thought, casting fresh light on an enduring debate about star formation.

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Figure 1: Two possible mechanisms for reducing the separation of high-mass stars in binary systems.

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Correspondence to Aaron M. Geller.

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Astrophysics: A pas de trois birth for wide binary stars

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Geller, A. Stellar siblings grow closer with age. Nature 547, 41–42 (2017). https://doi.org/10.1038/nature23092

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