图片靠近中心部分的白色光源为一种密度大，急速旋转的中子星，或是脉冲星--都是核心坍缩的超新星爆炸的残留物。
The white source near the center of the image is a dense, rapidly rotating neutron star, or pulsar, all that remains of a core-collapse supernova explosion.
脉冲星是某一恒星群发生爆炸形成超新星后所遗留下来的密核。
Pulsars are the dense cores left over after stars of a certain mass explode into supernovae.
脉冲星并不是一种正常的恒星，它是超新星爆炸后留下的高密度快速旋转的残余部分。
A pulsar is not a normal star, but a dense, rapidly spinning remnant of a supernova explosion.
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