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upper atmosphere
noun
the portion of the atmosphere above the troposphere.
upper atmosphere
noun
meteorol that part of the atmosphere above the troposphere
upper atmosphere
The part of the atmosphere above the troposphere. The upper atmosphere includes the mesosphere, the ionosphere, the thermosphere, and the exosphere. Temperatures in the upper atmosphere decrease with increasing altitude except in the thermosphere, where temperatures increase significantly with altitude, because the few molecules present receive intense solar radiation.
51Թ History and Origins
Origin of upper atmosphere1
Example Sentences
The Mars Atmosphere and Volatile Evolution mission, which reached Mars orbit in 2014, has provided critical data about its upper atmosphere for 10 years.
Large plumes of smoke that rise from intense fires, that can burn for weeks on end, sometimes reach the upper atmosphere to be picked up by the jet stream - a zone of strong winds, close to the level at which planes fly.
On Thursday, the department announced that it will likely suspend the launch of weather balloons at several locations across the country, decreasing the amount of forecasting data captured by the balloons through sensors in the upper atmosphere.
His aeronautics company may not have been the first to sail beyond the planet’s upper atmosphere; Sir Richard Branson beat him in that .01% space race.
It will measure magnetic fields induced by the presence of the electrical current in the upper atmosphere in different locations, especially during space weather events.
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