The tail of a comet, a kite, an aircraft, a procession.

彗星、风筝、飞机、行列的尾部。

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Seen here on June 13th from southern New Mexico, this Comet McNaught's long ion tail sweeps across the telescopic field of view (a negative image is inset).

这是6月13日新墨西哥南部所见，麦克·诺特的长离子尾扫过望远镜的视野，插图是负片。

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Holding in the palm cool cool, it soon melted, as if the night of the meteor, holding a beautiful comet tail and disappeared in the distant galaxy.

捧在掌心凉爽爽，旋即便融化了，仿佛夜晚的流星，托着美丽的慧尾，消失在遥远的银河。

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His figures were roughly a centimetre tall, most made with two deliberate strokes of the brush, and allowed to fade away as his paint ran out, like the trailing tail of a comet.

ECONOMIST: Roman Opalka

"When they come close to the Sun, this ice melts - solar wind blows this material out into space, so you get a tail of matter coming off the comet, " explains O'Brien.

BBC: Star of Bethlehem: The astronomical explanations