Talk:Noctilucent cloud: Difference between revisions
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spaceflight, elaboration please |
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I added a link to a photograph of NLCs from Punta Arenas, maybe the only one image of a southern NLC taken from ground available on the net (also it's my first contribution to wikipedia :) -- nherm |
I added a link to a photograph of NLCs from Punta Arenas, maybe the only one image of a southern NLC taken from ground available on the net (also it's my first contribution to wikipedia :) -- nherm |
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*Thanks, Nherm, and welcome to Wikipedia. You should think about creating a userpage for yourself. I hope to see more contributions! [[User:Denni|Denni]][[User_talk:Denni|<font color=#228822>☯</font>]] 02:53, 2005 August 10 (UTC) |
*Thanks, Nherm, and welcome to Wikipedia. You should think about creating a userpage for yourself. I hope to see more contributions! [[User:Denni|Denni]][[User_talk:Denni|<font color=#228822>☯</font>]] 02:53, 2005 August 10 (UTC) |
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== Influence of Spaceflight == |
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It is mentioned in the main article that Manned Spaceflight is a contributing factor to the appearance of NLCs. Can someone please provide a reference for this conjecture? It is my understanding that at 82km altitude the intense UV-radiation from the sun dissociates water molecules very quickly. With half-life times of mere hours, its a little curious how these can be a contributing factor. [[User:Albester|Albester]] 18:14, 18 May 2006 (UTC) |
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Revision as of 18:14, 18 May 2006
I added a link to a photograph of NLCs from Punta Arenas, maybe the only one image of a southern NLC taken from ground available on the net (also it's my first contribution to wikipedia :) -- nherm
- Thanks, Nherm, and welcome to Wikipedia. You should think about creating a userpage for yourself. I hope to see more contributions! Denni☯ 02:53, 2005 August 10 (UTC)
Influence of Spaceflight
It is mentioned in the main article that Manned Spaceflight is a contributing factor to the appearance of NLCs. Can someone please provide a reference for this conjecture? It is my understanding that at 82km altitude the intense UV-radiation from the sun dissociates water molecules very quickly. With half-life times of mere hours, its a little curious how these can be a contributing factor. Albester 18:14, 18 May 2006 (UTC)