Screening and dust tail and sinter screen, belt transport system, configuration GGD series of belt power counters 2 surface at the same low voltage power distribution room.

机尾及筛分除尘与烧结矿筛分，皮带转运系统，配置GGD系列皮带电源柜2面；同样置于低压配电室。

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Radiation from the sun pushes dust particles away from the coma, forming a dust tail, while charged particles from the sun convert some of the comet's gases into ions, forming an ion tail.

从太阳而来的辐射，将尘埃粒子吹离彗发，形成尘埃彗尾；同时，来自太阳的带电粒子将一些彗星气体电离成离子，形成离子彗尾。

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The tail contains only gas, dust and newly formed stars.

“尾巴”仅包含气体，尘埃和新形成的恒星。

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It already has a 64, 000km-long tail of dust and gas that will become visible to the naked eye later in the year - a trail scientists will study closely.

BBC: Comet Ison caught on film by Deep Impact craft

As a comet gets closer to the sun, the sun's heat causes these elements to melt, spewing out dust and gas in a brilliant tail.

CNN: Welcome to the year of the comet (we hope)