ARGUMENT50 地球上的水是从哪里来得?

mondiaUID: 193825

上次斑竹说格式不对 :(


感觉自己建议的可行性是零 ，
怎么办  


－－－－－－－－
50.From a draft textbook manuscript submitted to a publisher.

"As Earth was being formed out of the collision of space rocks, the heat from those collisions and from the increasing gravitational energy of the planet made the entire planet molten, even the surface. Any water present would have evaporated and gone off into space. As the planet approached its current size, however, its gravitation became strong enough to hold gases and water vapor around it as an atmosphere. Because comets are largely ice made up of frozen water and gases, a comet striking Earth then would have vaporized. The resulting water vapor would have been retained in the atmosphere, eventually falling as rain on the cooled and solidified surface of Earth. Therefore, the water in Earth's oceans must have originated from comets."

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Before carrying out some correlative studies I refer in the later part to excamine alternative explanations, the conclusion that: the oceans' water in Earth is originated from comets which are largely ice made of frozen water and gases, can not been accepted as a scientific one, but a questionable hypothesis. It is not conscientious to write such a explanation in a textbook.

First of all, we should find out the approximately time when the atmosphere of Earth came into being, and then estimate how many comets ever stroked our Earth from then on. If there is not enough ones came after that time, how can we say that our water comes from the comets? Although the extraterrestrial visitors had many frozen water with them, if more of them pay the visit when our Earth was so “hot” still or the atmosphere had not formed yet, they can make little contributions to our water. Therefore, to gain a more impersonal conclusion, we should also know when our Earth became not so "hot", and whether there was water produced by some other way before that time, however which had been evaporated and gone off into the space. If the Earth itself can produce water in some physical or chemical way, it is quite possible that after the Earth become colder, and for the existence of atmosphere those water was preserved little by little, forming our ocean today .

Secondly, to find out the true, the information of the amount of the water in Earth today and molecule quality of water in Earth and comets is also helpful. Through comparison, we can find out whether our water comes from or just comes from the comets, based on the survey of comets which ever come upon our Earth with some water mentioned above and the estimation of totally number of those water, if this number is quite a small one comparatively, then we may say our water “mustn’t” have originated from comets". As for the analysis of the molecule quality, we can compare the intrinsical of two types of water. In some way, like the comparison of the radioactivity, we may get the result that they have so different quality that the conclusion becomes even more questionable.

Admittedly, it is a good idea about the how our water comes from, it seems logical and interesting in some way. However, the hypothesis should get further sustainment from varieties of studies as above showed, only in this way my it be provided to our students as a more scientific one.

枫丹UID: 166492

我当时写这篇的时候就比较郁闷.让俺再郁闷一次!!

boyjimUID: 125249

写的比较短~A50里面起码有四个错误~可以看看我的签名档里面的A50

mondiaUID: 193825

汗
刚干完坏事...

去学习一下

多谢了

枫丹UID: 166492

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Before carrying out some correlative studies I refer in the later part to examine alternative explanations, the conclusion that: the oceans' water in Earth is originated from comets which are largely ice made of frozen water and gases, can not been accepted as a scientific one, but a questionable hypothesis. It is not conscientious to write such a explanation in a textbook.

First of all, we should find out the approximately time when the atmosphere of Earth came into being, and then estimate how many comets ever stroked our Earth from then on. If there is（are） not enough ones came after that time, how can we say that our water comes from the comets? Although the extraterrestrial visitors had many frozen water with them, if more of them pay the visit when our Earth was so “hot” still or the atmosphere had not formed yet, they can make little contributions to our water. Therefore, to gain a more impersonal conclusion, we should also know when our Earth became not so "hot", and whether there was water produced by some other way before that time, however which had been evaporated and gone off into the space. If the Earth itself can produce water in some physical or chemical way, it is quite possible that after the Earth become colder, and for the existence of atmosphere those water was preserved little by little, forming our ocean today .
切不说你的论点，这一段的结构似乎就有些混乱了,开头似乎直接指出错误，而不是建议。

Secondly, to find out the true, the information of the amount of the water in Earth today and molecule quality of water in Earth and comets is also helpful. Through comparison, we can find out whether our water comes from or just comes from the comets, based on the survey of comets which ever come upon our Earth with some water mentioned above and the estimation of totally number of those water, if this number is quite a small one comparatively, then we may say our water “mustn’t” have originated from comets". As for the analysis of the molecule quality, we can compare the intrinsically of two types of water. In some way, like the comparison of the radioactivity, we may get the result that they have so different quality that the conclusion becomes even more questionable.
不好意思，实在是想不通 molecule quality 有什么不同，抱歉

Admittedly, it is a good idea about the how our water comes from, it seems logical and interesting in some way. However, the hypothesis should get further sustainment from varieties of studies as above showed, only in this way my it be provided to our students as a more scientific one.
我想你可以把头绪再理一下：
比如1作者假设，在地球形成过程中没有遇到其他的外界影响2， 地球上的化学作用也产生水。3，地球重力的承载力应该也是有限的，没有证据证明他有足够的能力把彗星上的水都保持在大气中（这个还有待讨论）。抱歉，我看了将近半个多小时，还是没把你的看懂，自己也越来越乱了，看来今天的状态的确很差！

smartyrUID: 169453

鼎一下！马上回来

mondiaUID: 193825

刚开始限时,
一限制时间,脑子就僵掉了.....
可能是受了题目以科学理论的面目出现的影响,
就写成这个样了...

那个我可能是想建议和错误在一段写了,
即先提出应做而未做的实验,
在证明这个实验作用的过程中,
其实是在写作者论据不完全的批驳

所以总起是:
作者很多如下实验未做,所以是不科学的

mondiaUID: 193825

找到的资料

1)
地质学家对地球水的来源是这样认识的：刚刚形成的地球表面可能含有少量彗核带来的水，是彗核中的固态水。它们在闯进地球上方1000公里高空时瓦解并且很快蒸发成空气中的水气云。但是空气中水的含量太少，不足以形成这么多的地球水。地球上水圈和气圈的形成，主要与水蒸汽和气态离子在放射性核燃烧中从地球内部向外逸出有关。在地球“诞生”的初期，地球内部还没有被放射性核燃料燃烧的时候，地球表面没有大量的水和浓密的大气。水和大气主要是地球内部烧热的区域扩大时从地球内部“挤”出来的，是地幔和地壳脱气作用中在地壳内和地表逐渐积聚起来的。

2)
[B]First Evidence That Comets Filled The Oceans: A Dying Comet's Kin May Have Nourished Life On Earth[/B]
A comet that shattered on its approach to the Sun breathed new life into the theory that comet impacts provided most of the water in Earth's oceans. The same NASA observations of the comet, designated C/1999 S4 LINEAR (LINEAR), also support the idea that comet impacts furnished a significant amount of [U]the organic molecules used in life that later arose on Earth. [/U]  
LINEAR was the first comet with a chemistry that indicated its water had [U][B]the same [U][B]isotopic composition [/B] [/U]   as the water actually found on Earth. [/B]  [/U]  
http://www.sciencedaily.com/releases/2001/05/010521072649.htm
-------------------
NASA科學家發現LINEAR彗所含的水份具有與地球上的水相同的同位素，這項發現是『地球上的水分來自彗星撞擊』這個理論的第一個證據。
http://www.sciscape.org/alert_by ... mp;date2=2001-06-01

smartyrUID: 169453

[B]请告诉我这道题是不是机井题？？？[/B]


这的却是到bt题
50.From a draft textbook manuscript submitted to a publisher.

"As Earth was being formed out of the collision of space rocks, the heat from those collisions and from the increasing gravitational energy of the planet made the entire planet molten, even the surface. Any water present would have evaporated and gone off into space. As the planet approached its current size, however, its gravitation became strong enough to hold gases and water vapor around it as an atmosphere. Because comets are largely ice made up of frozen water and gases, a comet striking Earth then would have vaporized. The resulting water vapor would have been retained in the atmosphere, eventually falling as rain on the cooled and solidified surface of Earth. Therefore, the water in Earth's oceans must have originated from comets."

-----------------
Before carrying out some correlative studies I refer in the later part to excamine 【examine】alternative explanations, the conclusion that: 【不要：】the oceans' water in Earth is originated from comets which are largely ice made of frozen water and gases, can not been accepted as a scientific one, but a questionable hypothesis. It is not conscientious to write such a explanation in a textbook.【你的开头很有个性！】

First of all, we should find out the approximately time when the atmosphere of Earth came into being, and then estimate how many comets ever stroked our Earth from then on. If there is not enough ones came after that time, how can we say that our water comes from the comets?【it is hard to judge that the water came from the comests unless the speaker provides sufficient evidence that there were plenty enough comets striking the planet】 Although the extraterrestrial visitors had many frozen water with them, if more of them pay the visit when our Earth was so “hot” still or the atmosphere had not formed yet, they can make little contributions to our water.【不是很理解】 Therefore, to gain a more impersonal conclusion, we should also know when our Earth became not so "hot", and whether there was water produced by some other way before that time, however which had been evaporated and gone off into the space. If the Earth itself can produce water in some physical or chemical way, it is quite possible that after the Earth become colder, and for the existence of atmosphere those water was preserved little by little, forming our ocean today .【你的这几个层次有点乱】

Secondly, to find out the true, the information of the amount of the water in Earth today and molecule quality of water in Earth and comets is also helpful.【你的ts在哪里？？】 Through comparison, we can find out whether our water comes from or just comes from the comets, based on the survey of comets which ever come upon our Earth with some water mentioned above and the estimation of totally number of those water, if this number is quite a small one comparatively, then we may say our water “mustn’t” have originated from comets". As for the analysis of the molecule quality, we can compare the intrinsical of two types of water. In some way, like the comparison of the radioactivity, we may get the result that they have so different quality that the conclusion becomes even more questionable.

Admittedly, it is a good idea about the how our water comes from, it seems logical and interesting in some way. However, the hypothesis should get further sustainment from varieties of studies as above showed, only in this way my it be provided to our students as a more scientific one.
【这个题变态enough！
  我是这么写的：
   1. 他的前提不保证：comet撞击地球是在地球的大小和目前一样时，否则也未必吸的住水
   2.前者撞击能的水分都没了，后者撞击为何能留下来？
   3.他因法：地球的H，O经过结合形成水，或是……】

枫丹UID: 166492

最初由 smartyr 发布
[B][B]请告诉我这道题是不是机井题？？？[/B]


这的却是到bt题
50.From a draft textbook manuscript submitted to a publisher.

"As Earth ..

以下省略...... [/B]

我不同意你的第二个观点,似乎犯了一个false analogy的错误.这两个撞击本质不同,不能混为一坛吧?

枫丹UID: 166492

最初由 mondia 发布
[B]找到的资料

1)
地质学家对地球水的来源是这样认识的：刚刚形成的地球表面可能含有少量彗核带来的水，是彗核中的固态水。它们在闯进地球上方1000公里高空时瓦解并且很快..

以下省略...... [/B]

这个不错,看来地球水分的形成有一大部分是物理作用啊

GrowlywolfUID: 200584

猴哥的树上是这么说的：
1、没有提供彗星撞地球的记录
2、就算撞了，也可能是在地球质量尚不能留住水分的时候，因为前面说过水分可能逃逸
3、没有排除其他形成水的可能性。

smartyrUID: 169453

最初由 枫丹 发布
[B][QUOTE]最初由 mondia 发布
[B]找到的资料

1)
地质学家对地球水的来源是这样认识的：刚刚形成的地球表面可能含有少量彗核带来的水，是彗核中的固态水。它们在?.

以下省略...... [/B]

丹枫，我觉得这是找错，不用把别的地方的知识引用吧？？这难度挺大的