space exploration is harmful for enviroment

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bh

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Replying to:<BR/><DIV CLASS='Discussion_PostQuote'>a student <br />Posted by bh</DIV><br />yes it's obvious that it will effect the eviroment adversly. the harmfull gases at the time of exploration gets into the enviroment and causes air pollution, but we can't stop our research of the space and it'ss contents... <div class="Discussion_UserSignature"> </div>
 
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SpaceKiwi

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<p><BR/>Replying to:<BR/><DIV CLASS='Discussion_PostQuote'><font color="#3366ff">yes it's obvious that it will effect the eviroment adversly. the harmfull gases at the time of exploration gets into the enviroment and causes air pollution, but we can't stop our research of the space and it'ss contents... <br /></font><strong>Posted by bh</strong></DIV></p><p>&nbsp;</p><p>I don't believe you can suggest anything other than the environmental cost of space exploration is negligible.&nbsp; In fact, one might argue that the tremendous amount of data gleaned about our planet, the Sun, etc,&nbsp;through space exploration has contributed significantly to the environmental 'upkeep' of Earth.</p><p>&nbsp;</p><p>SK&nbsp; <img src="http://sitelife.space.com/ver1.0/Content/images/store/13/0/cdcdc579-1789-40c0-80d8-b2c756b0a30c.Medium.gif" alt="" /></p> <div class="Discussion_UserSignature"> <p><em><font size="2" color="#ff0000">Who is this superhero?  Henry, the mild-mannered janitor ... could be!</font></em></p><p><em><font size="2">-------------------------------------------------------------------------------------------</font></em></p><p><font size="5">Bring Back The Black!</font></p> </div>
 
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Zipi

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<p><BR/>Replying to:<BR/><DIV CLASS='Discussion_PostQuote'>yes it's obvious that it will effect the eviroment adversly. the harmfull gases at the time of exploration gets into the enviroment and causes air pollution, but we can't stop our research of the space and it'ss contents... <br />Posted by bh</DIV><br /><br />Without space exploration we wouldn't know the current state of our planet. All those satellites at the orbit are providing very good data of our planet and communications capatibilities which will reduce&nbsp;the need for travelling. Space travel is a real minor pollution source compared to the other means of travelling like cars, aeroplanes, etc...</p><p>If you want to be a real environmentalist, you cannot even fart because that will add methane to the atmosphere. And you have to switch to the vegetables because the meat growing process adds pollution at so many levels... I can continue this list to a pretty long one, but I don't feel that it could add any extra value to this thread. I have made my point, at least I hope so.</p> <div class="Discussion_UserSignature"> </div>
 
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qso1

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<p><font color="#800080">yes it's obvious that it will effect the eviroment adversly. the harmfull gases at the time of exploration gets into the enviroment and causes air pollution, but we can't stop our research of the space and it'ss contents... <br /> Posted by bh</font></p><p>There have not been enough rocket launches in the half century of rockets going to orbit to cause widespread pollution in the same way almost two centuries of far more widespread industrial activity on a far more regular basis would cause. IMO, its not obvious at all that rocket launches contribute to pollution in a measurable way.</p> <div class="Discussion_UserSignature"> <p><strong>My borrowed quote for the time being:</strong></p><p><em>There are three kinds of people in life. Those who make it happen, those who watch it happen...and those who do not know what happened.</em></p> </div>
 
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scottb50

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<p><BR/>Replying to:<BR/><DIV CLASS='Discussion_PostQuote'>yes it's obvious that it will effect the eviroment adversly. the harmfull gases at the time of exploration gets into the enviroment and causes air pollution, but we can't stop our research of the space and it'ss contents... Posted by bhThere have not been enough rocket launches in the half century of rockets going to orbit to cause widespread pollution in the same way almost two centuries of far more widespread industrial activity on a far more regular basis would cause. IMO, its not obvious at all that rocket launches contribute to pollution in a measurable way. <br /> Posted by qso1</DIV></p><p>Not that I disagree on the need for rocket launches but I think it is wrong to equate them with industrial activity. The typical apple oranges arguement can be made, industry has a huge effect on the thickest and lowest reaches of the atmosphere while rockets release compounds into a much less dense environment where the addition of even a small amount of impurity is a much higher percent of the total then at lower altitudes. I would also expect the impurities to linger a lot longer. Rain and air circulation limit the life of industrial polutants, at least in the air, think acid rain.</p><p>&nbsp;</p> <div class="Discussion_UserSignature"> </div>
 
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Zipi

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Replying to:<BR/><DIV CLASS='Discussion_PostQuote'>Not that I disagree on the need for rocket launches but I think it is wrong to equate them with industrial activity. The typical apple oranges arguement can be made, industry has a huge effect on the thickest and lowest reaches of the atmosphere while rockets release compounds into a much less dense environment where the addition of even a small amount of impurity is a much higher percent of the total then at lower altitudes. I would also expect the impurities to linger a lot longer. Rain and air circulation limit the life of industrial polutants, at least in the air, think acid rain.&nbsp; <br />Posted by scottb50</DIV><br /><br />And industrial activity is probably a bad thing to compare with the rocket launches... Without industry there cannot be rockets. Yes it is true that industry pollutes, but those things are getting better each day, which is a really good example how to fight against the pollution. <div class="Discussion_UserSignature"> </div>
 
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qso1

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<p>You and Scottb50 both raised good points and I guess the only way to know for sure is to somehow measure the effects of rocket launches on the upper reaches of earths atmosphere. We have a pretty good idea about industrial pollutants in the lower atmosphere.</p><p>I would point out that rockets in the upper atmosphere tend to be a mix of hypergolic and cryogenic upper stages and that cryos are far less likely to be polluting since their byproduct is basically water. But again, more measurements are needed.&nbsp;</p> <div class="Discussion_UserSignature"> <p><strong>My borrowed quote for the time being:</strong></p><p><em>There are three kinds of people in life. Those who make it happen, those who watch it happen...and those who do not know what happened.</em></p> </div>
 
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