In some binary systems.

在一些双星系里。

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So these binary systems are very potent sources of x-rays.

是强有力的x射线源，中子星绕中心旋转。

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These binary systems consist of a neutron star orbiting around a supergiant star.

这些双星系统由一个巨星和围绕其的中子星组成。

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Standard Type Ia supernovae are binary systems in which a white dwarf star draws so much matter from its companion (often a red giant) that it undergoes a kind of energy overload and detonates.

FORBES: When A Supernova ... Fizzles

Most stars in the galaxy are, in fact, in binary systems, and astronomers have been wondering whether the gravity of a second star nearby might disrupt a dust disc too much for planets to coalesce.

ECONOMIST: Dusty genesis

This theory seemed to agree with observations taken over the last three decades, which reveal that binary systems are abundant, but none of the pairs have an orbital period shorter than five hours, the researchers said.

MSN: 'Impossible' stars found in our galaxy - Technology & science - Space - Space.com | NBC News