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颗小行星

颗小行星

颗小行星

颗小行星

1

The intention was to get close , fire a projectile into the surface and grab some of the ensuing dust .

它原定目标是接近这颗小行星，发射一抛射物（探测器）进入小行星表面，从而捕获扬起的尘埃。

2

Government and weather satellites suggested that the asteroid exploded somewhere between 14 and 23 miles above the surface.

政府和气象卫星都显示这颗小行星将在地球上空 14 至 23 英里处爆炸。

3

By the next morning , the results had been posted online : the asteroid didn't threaten Earth .

到第二天上午，结果已在网上发布：这颗小行星并不会威胁地球。

4

So it seems to be following in our footsteps , although it 's never come closer than about 50 times the distance to the moon .

所以，看来这颗小行星一直跟随着地球的脚步。不过还好，它与地球的距离从来没有低于地球 -月亮距离的 50 倍。

5

Han and Leia piloted their attack ship , hoping to draw off the forces gathered there while Jaina was deployed to the asteroid .

汉与莱娅驾驶他们的攻击舰，希望引开集结在那里的军队，同时，杰娜登上那颗小行星。

6

NASA says the asteroid is the size of an aircraft carrier , but it's actually even larger .

NASA 说这颗小行星有航母那么大，但实际上它还要大一点。

7

On this small planet was a country called Tierra, controlled by gods .

在这颗小行星上有一个叫蒂尔拉的国家，由众神统治着。

9

Even so , a private company has just unveiled plans to visit it , in case Apophis does decide to pop in on Earth sometime soon.

即使有这样的论断，一家私人公司已经公开发表了要访问这颗小行星的计划，以防止它哪天忽然要撞击地球。

11

13

But there are also thousands of asteroids whose orbits put them on a collision course with Earth .

但还有成千上万颗小行星所处的运行轨道使他们可能撞上地球。

15

The good news is that, thanks to more precise measurements, the asteroid is no longer deemed a serious threat .

好消息则是多亏了更为精确的测算，这颗小行星不再是确凿无疑的严重威胁了。

16

The asteroid was first spotted during a routine survey performed by a satellite .

这颗小行星是在一次例行检查中被一颗卫星发现的。

17

However, they 'll be studying Apophis when it makes an appearance close to Earth in late 2012 and early 2013, just in case .

然而，为预防万一，当 “阿波菲斯 ”在 2012年底或 2013年初靠近地球时，他们将研究这颗小行星。

21

This asteroid has only once been seen through the telescope . That was by a Turkish astronomer, in 1909.

这颗小行星仅在 1909年被一个土耳其天文学家用望远镜看见过一次。

23

This asteroid takes 238 years to orbit the sun .

这颗小行星需要花 238 年绕太阳运行一周。

25

Dactyl is the first moon of an asteroid ever discovered .

载克太 1 号是迄今发现的首颗小行星卫星。

26

27

The asteroid will either hit the ground intact , making a single crater , or break up and make a cluster of smaller craters.

这颗小行星或者会完整无缺落在地面上，做成一个弹坑，又或者完全碎裂做成好多小的弹坑。

29

By astronomers' calculations , the asteroid is expected to make its closest approach to Earth at 6: 28 pm EST Tuesday.

按照天文学家的计算，这颗小行星预计将于美国东部时间周二下午6：28 最接近地球。

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