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Rhune
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29289456 29289456   rhune_1971   Rhune1971
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Obsolete Telescopes
« on: Mar 6th, 2006, 6:37am »		 Quote Quote Modify Modify
http://www.theregister.com/2006/03/03/telescope_cloud_problems/  
 
A top Cambridge astronomer has warned that star-gazing will be impossible by the middle of this century. Professor Gerry Gilmore said ground-based telescopes would be "worthless" if cheap air travel continues to boom and climate change increases cloud cover as predicted.
 
He said to reporters: "You either give up your cheap trips to Majorca, or you give up astronomy. You can't do both."  
 
Condesation from jets - contrails - contributes to the overall murkiness of the atmosphere, Gilmore said: "The rate at which they're expanding in terms of their fractional cover of the stratosphere is so large that if predictions are right, in 40 years it won't be worth having telescopes on Earth anymore - it's that soon."
 
Optical and infra-red astronomy on Earth will be the casualties - radio telescopes will continue to peer through cloud cover.
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JP
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293041687 293041687     jezzieflanigan
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Re: Obsolete Telescopes
« Reply #1 on: Mar 6th, 2006, 9:37am »		 Quote Quote Modify Modify
I don't think stargazing will be obsolete, but rather limited to a few countries. It will be sad though if you have to travel to another country or island just to look at the stars.
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Re: Obsolete Telescopes
« Reply #2 on: Mar 6th, 2006, 5:27pm »		 Quote Quote Modify Modify
I already have to go far enough out from the city to be able to see anything.  Living near Dallas/Ft. Worth, the lights cut down on visibility.  I'm always amazed when I go to visit my parents and don't have the city lights, just how much more you can see... even just gazing up with the naked eye...
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