The model appears toexplain well the extended shape of hot gas detected around Sgr A* inX-rays as well as features seen in other wavelengths.

这个模型看来很好的解释了X-射线探测到的Sgr A*周围扩张的热气体形态与其它波长射线所探测的特征相一致。

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The model appears to explain well the extended shape of hot gas detected around Sgr A* in X-rays as well as features seen in other wavelengths.

这个模型看来很好的解释了X-射线探测到的Sgr A*周围扩张的热气体形态与其它波长射线所探测的特征相一致。

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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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Thousands of centrifuges are needed and the engineering is tricky, but the process is more easily hidden, with reasonable electrical requirements and no heat or gas that can be detected by sensors.

ECONOMIST: Asia.view

This will generate two flashes of light - one in the liquid argon and another in the gas - which will be detected by the receptors.

BBC: Dark Matter: Experiment to shed light on dark particles

Once again, the way the particles knock electrons off the stuff they are travelling through (this time the gas) provides a useful signal (detected by the wires).

ECONOMIST: How to build a B-factory