Summary: Is our Sun part of a binary star system?

我们的太阳是双星系统的一部分么？

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The binary star system consists of two white dwarfs—the burnt-out cores of sunlike stars.

该双星系统由两颗白矮星组成——所谓白矮星既是像太阳那样的恒星燃烧殆尽后遗留下来的核心。

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Those in a binary star system may have a strong enough gravitational pull to gather in material from a neighboring star.

那些双星系统中的白矮星可能有足够强大的引力，能从伴星上吸聚物质。

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The pulsar and white dwarf pair emit gravitational waves and the binary star system gradually loses energy.

WSJ: Einstein Proved Right on Gravity��Again

Thus it is that a neutron star in a binary star system gets to spend its retirement years as a millisecond radio pulsar.

ECONOMIST: The dizziest, giddiest stars

This follows the discovery last year by Maciej Konacki, of the California Institute of Technology, of a gaseous giant orbiting a star that is itself orbited by a binary-star system.

ECONOMIST: Planetary science: When a world is born | The