Recently they have discovered a comet.

Comet tails are millions of kilometers long.

彗尾的长度可达数百万公里.

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In addition, five probes were sent to rendezvous with Halley's comet.

另外, 向哈雷丰厚生汇合的地方发射了五个探测器.

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If anyone sees a great comet plunging toward the sun, it isn't me.

如果有什么人看见一颗巨大的彗星飞向太阳, 那不是我.

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This spectacular composite image shows how the coma and tail of Comet Holmes have changed.

这张壮观的组合影像显示霍姆斯彗星的彗发与彗尾的变化情形.

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Haley's comet was shooting across the sky.

哈雷彗星飞快地穿过天空.

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Which annalistic style book in ancient China leaving the earliest record about Halley's Comet?

在中国古代哪本编年史书中留下了关于哈雷彗星最早的记载?

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A newfound comet is heading towards the sun. It will likely not survive.

一颗新近被发现的彗星正一门心思地向太阳冲去, 可能小命难保.

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It is a member of the Kreutz Group, as Subfragment I, split from an earlier comet.

可也可能是更早分裂的一颗彗星所组成的克鲁兹族彗星的一员.

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What happened the games began, a comet appeared in the sky.

在比赛开始后, 天空出现了一刻彗星.

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In that way, Pluto acts like a comet.

也就是说, 冥王星的行为像一个彗星.

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Whether a cometary outburst with a jet can cause observable short-term non gravitational effect is investigated.

探讨伴有喷流的彗星爆发是否造成可观测的非引力效应.

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We just released the findings from our preliminary analysis on the cometary side.

我们刚刚发表了来自彗星尘埃初步分析的发现.

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The cometary ejection play a crucial role in formation and evolution of the meteoroid stream.

彗星的喷发速度在流星群的演化过程中起着重要作用.

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This cometary debris – bits of ice – create a meteor shower.

这些彗星的残骸——少量的冰——形成了流星雨.

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So the cometary dust work had to take priority.

也因此彗星尘埃的工作获得了优先.

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We need to study more comets.

我们需要研究更多的首星.

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Comets are usually made of ice and rock.

彗星通常是由岩石和冰构成的.

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Early Studies were connected with the origin of short-period comets.

早期的研究是为了探讨短周期彗星的起源.

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These small objects, including asteroids, Kuiper Belt objects, comets and interstellar dust.

这些小天体包括小行星 、 柯伊伯带的天体 、 彗星和星际尘埃.

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Any school kid can tell you that comets are made of ice.

随便找个小学生都会告诉你,彗星是由冰组成的.

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