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Atmosphere Travel Brochure

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Natalia Velenchenko

on 19 April 2010

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Transcript of Atmosphere Travel Brochure

Welcome to Maggie & Natalia's magnificent journey of the atmosphere! The first layer of the Earth's atmosphere is the Troposphere.
This is the only layer in which weather can occur.
The Troposphere is 12 km thick, starting at 18 degrees celsius and decreasing as you move upwards down to negative 55 degrees celsuis. In the Troposphere we have to always check the weather, since it can sometimes be hazardous! Hail, tornados, hurricanes and other severe weather can occur here. We made sure to always have our raincoats with us in case of a storm. The second layer of our atmosphere is the Stratosphere. The Stratosphere contains the ozone layer which is a layer of ozone gas in our atmosphere that screens out much of our Sun's ultraviolet rays. Clouds are very rare in this part of our atmosphere, since little moisture enters it. This layer is 38 km thick. It starts at -55 degrees celcius and increases as you go up to about -2 degrees celsius. We packed an oxygen tank because from here on out the air would be too thin for us to breathe. And also lot's of sweatshirts for the cold weather! After the Stratosphere, we traveled through the Mesosphere. It is 30 km thick and starts at -2 degrees celsius, decreasing as you go upto -80 degrees celsius. We packed our sunglasses and sunscreen for this layer and the next one since we no longer have the ozone layer protecting us from the sun's harmful rays! The Mesosphere protects Earth's surface from being hit by most meteoroids, so we had to watch out for those! The Mesosphere is the layer in the atmosphere that is minimum for spacecraft, but maximum for aircraft. The final layer in our atmosphere is the Thermosphere! It is broken up into two different parts. First the Ionosphere which is 320 km thick, and then the Exosphere, which infinitely expands into the rest of the atmosphere. The Thermosphere starts at about -90 degrees celsuis and increases as you go up to 1,800 degrees celsuis. The Ionosphere is where the Northern Lights occur, and the Exosphere is where our satellites orbit the Earth! We remembered our space suits since there is no air pressure up there, and were thankful we didn't forget our cameras when we saw the beautiful Northern Lights! The main hazard in the Thermosphere is the lack of air pressure and extreme highs and lows of temperatures. Thanks for watching our tour of the atmosphere! Hope you enjoyed!
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