Definition of 'upper atmosphere'
Example sentences containing 'upper atmosphere'
This phenomenon has been recognised for a long time and occurs because the upper atmosphere is so thin.Times, Sunday Times (2013)
Another idea was that the drop in temperature during the eclipse might have triggered disturbances in the upper atmosphere.Times, Sunday Times (2006)
Something is changing in the upper atmosphere of British politics.Times, Sunday Times (2007)
Nobody with a social conscience should fly halfway round the world on holiday, spewing carbon into the upper atmosphere.Times, Sunday Times (2007)
Emergency services and military forces are on watch for 26 chunks that are expected to survive the fiery plunge through the upper atmosphere.Times, Sunday Times (2011) Times, Sunday Times (2012)
The report said the decrease in ozone in the upper atmosphere triggered a change in air circulation that makes winds in the region 15 per cent stronger.The Sun (2009)
Also, carbon dioxide in the upper atmosphere reflects heat away, instead of absorbing heat as it does in the lower atmosphere.Times, Sunday Times (2008)
This is because, though it is easy to lose hydrogen from the upper atmosphere, it is hard to get it up there in the first place.Eating the Sun: How Plants Power the Planet (2007)
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Definition of upper atmosphere from the Collins English Dictionary