a faint star of enormous density

how such a dense planet formed is unclear, the researchers say, but it「s probably the crystalline vestige of a white dwarf star whose atmosphere was stripped away by the parent pulsar.

研究人员称，至于密度这么高的行星是如何形成的，这一点尚不清楚，但它很可能是一颗被主脉沖星剥夺了大气的白矮星留下的晶体残骸。

most scientists agree a type 1a supernova occurs when a white dwarf star -- a collapsed remnant of an elderly star -- exceeds its weight limit, becomes unstable and explodes.

大多数科学家认为，当白矮星（年老恒星坍缩而成的残骸）超过质量极限，变得不稳定并爆发的时候，会产生ia型超新星。

a white dwarf star pulsates or quakes as waves of energy travel through it.

当有能量波穿过白矮星时，它就会跳动或是震动。

this leads the researchers to suspect that a white dwarf star strayed too close to the intermediate-mass black hole and was ripped apart by tidal forces.

这导致研究人员怀疑一个迷途的白矮星离某个中等质量黑洞太接近了，并受其潮汐引力的撕扯。

a planetlike body 4,000 light-years away may be the compacted remains of a white dwarf star that is now mostly diamond.

4000光年外的一个类似行星的天体，可能是一颗白矮星遗留物的浓缩体。现在，那里大部分物质都是鉆石。

the white dwarf star at the center of this planetary nebula may be accompanied by a second-generation world, formed from the debris of the dying star」s original planets.

位于这团行星状星云中心的白矮星可能伴有一颗第二代行星。这颗濒临死亡的恒星将原有行星撕成碎块，第二代行星形成于这些碎块。

every 20 years or so the red giant star dumps enough hydrogen gas onto its companion white dwarf star to set off a brilliant thermonuclear explosion on the white dwarf's surface.

大约每过20年红巨星向它的白矮伴星上输出足够的氢气在白矮星表面产生一次耀眼的热核爆炸。

the primary target is a white dwarf star known as gd358 in the constellation hercules.

第一颗目标恒星是武仙星群中一颗称为gd358的白矮星。