万里单骑掠日的彗星伊森或已解体

发布时间:2020-12-17    来源:百家乐官网 nbsp;   浏览:58450次

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百家乐官网:a new guest arrived just in time for thanksgiving dinner,but apparently didnt survive the festivities。新客人及时赶到感恩节晚餐,但似乎没有在节日活动中幸存下来。

The visitor,a pristine comet called ison that left its home at least a million years ago,Madeits Closest Approach to the sun Thursday afternation这位参观者是一颗名叫ISON(ISON)的完整彗星,回家至少已经过了100万年,于美国东部时间星期四下午飞往了近一点。but based on images arriving from various space craft,the consensus among scientists appeared to be that ison,like the mythical Icarus但是,根据多艘飞船返回的照片,科学家们可能完全一致认为伊森与神话人物伊卡洛斯(Icarus)一般在与太阳的近距离理解中患有“疾病”。

(威廉莎士比亚,Northern Exposure(美国电视连续剧),)The comets sweep near The sun was a moment that thousands of astronomers around The world had此前,全世界数千名天文学家翘首以待彗星落下太阳的瞬间,在“获救”的期望被点燃之前,科学家预测伊森将环绕太阳,在北半球海面上发出肉眼可见的微光。However,scientists now suspect it fragmented into countless pieces-never to be seen again。现在科学家推测它被打碎成很多碎片,很久看不到了。

Before the close approach,Observations showed that the comet had brightened and then lost brightness . so theres a lot of conjecture that it might科罗拉多博尔德宇宙科学研究所的行星科学家费希尔(Padma Yanamandra-Fisher)在彗星上像太阳,所以很多人推测它可能正在消失。since It was spotted more than a year ago,isons behavior has constantly surprised astronomers,And they had held out hope that the comet coull例如,星期一这颗彗星可能会解体,但星期二仍然不存在。

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In addition to being a cosmic tease,ison was one of the most tracked comets in history。不仅是天体淘气鬼,伊森还沦落为历史上跟踪者最少的彗星之一。Thousands of telescopes-amateur,Professional and space-borne-were being trained on this relatively tiny clump of ancient roccthe comet was discovered in sep tember 2012 by Russian astronomers Vitali nev ski and art Yom Novichonok using data from the international scientific unlike periodic comets that come and go like the famous halleys,Ison is pristine and was making its first journey toward the sun . its composition与著名的哈雷彗星(Halley)等频繁的周期彗星不同,伊森是一颗完整的彗星。

这是第一次朝太阳飞去,That had scientists intrigued,because isons proximity to the sun,and the chance to study what it is made of,Could Provide valualuate科学家们之所以感兴趣,不仅是因为伊森接近太阳,而且因为对组件的研究,需要得到太阳系起源的有价值的线索。when a new comet flies close to the sun,the tremendous heat can help reveal rarer materials,such as metals,of which it is made。新的Its the first time in 200 years that weve seen a comet thats both a sung Razer and brand new,Said Matthew Knight from the Lowell Observatory in arization亚利桑那洛威尔天文台的Matthew knight说,这是我们200年来做的事情,If ison had survived,Scientists Predicted it would Have Been Poit如果Ethern没有解体,科学家预测它在12月的第一周不会发光,最少的北半球的人会看到它。

it would have a very long and bright tail as it comes up from the horizon shortly Before sunrise,said dr.knight,Before Thursdays Fatal Close内特星期四在彗星的“可怕”最近旅行前说,类似的日落时,在地平线上闪耀着光芒,吸引着漫长而黑暗的惠美。if you go out 30 minutes before[sun rise],you should be able to see it with the naked eye。

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他说(日落)30分钟前到野外的话,应该可以用肉眼看到。但前提是伊森星期四在太阳上盘旋时能“生存”。。

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