We know there's none in our solar system, even out in the Oort cloud; it would've been seen by now by one of several different sky surveys.
我们知道太阳系里是没有的,甚至奥尔特云里也没有;它现在应该已经被几种不同的天空观测观测过了。
单词 | sky survey |
例句 |
原声例句
Crash Course 天文篇 We know there's none in our solar system, even out in the Oort cloud; it would've been seen by now by one of several different sky surveys. 我们知道太阳系里是没有的,甚至奥尔特云里也没有;它现在应该已经被几种不同的天空观测观测过了。 精选英语短文 If Starlink continues to be a problem for these type of sky surveys, we may not have as much notice as we want to detect a near-Earth object and thwart it and prevent it from hitting Earth. 如果 Starlink 继续成为此类天空调查的问题,我们可能不会像我们想要检测近地物体并阻止它并阻止它撞击地球那样引起注意。 |
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