Made with data from the Nordic Optical Telescope in the Canary Islands, the composite picture shows extended emission from the nebula.

这张照片由加那利群岛的北欧光学望远镜的数据合成，显示星云的延伸发射。

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Thecombination of this unusual X-ray and optical emission makes this aremarkable object.

这一不寻常的X射线和光发射的组合使它成为一个显著的对象。

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The purple emission is multi-million degree gas detected in X-rays by NASA's Chandra X-ray Observatory and the other colors show galaxies in an optical image from the Sloan Digital Sky Survey.

其中紫色喷发状物质是几百万度高温的气体，由Chandra X射线天文中心探测；其他颜色展示了斯隆数字星空调查的光学图片中的一些星系。

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What you would see, says Fender, is emission in the x-ray, radio, infrared or optical.

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But the scientists are confident the object is a pulsar, rather than a regular neutron star, because of its high-energy emission and the fact that it doesn't show up in optical wavelengths.

MSN: Runaway star may be fastest pulsar yet - Technology & science - Space - Space.com | NBC News