50 km through 80 km above the earth - is where the Mesosphere can be found ., The coldest layer is - is the mesosphere  at 100 degrees below., Meteoroids in this layer - usually burn up., The Thermosphere is also called - the "Heat Sphere"., This layer is where youll find - the space shuttle and the Aurora Borealis., The ionosphere is found in the - lower part of the Thermosphere., The expsphere can be found in - the upper part of the Thermosphere., In the Ionosphere, - gas particles absorb ultra violet and x-ray radiation, Also In the Ionosphere,  - particles become electrically charged., Radio waves are bounced of ions - and reflected back to earth in the ionosphere, The exoshpere is - 550 km out into space., Air is very   - thin in the Exosphere., If you want to see a GPS satellite - you can find it in the Exosphere., The magnetosphere - is earth'smagnetic firld at 1000 km above the earth., Trapping harmful particles from the sun - happens in the Magnetosphere., The Van Allen radiation belts   - concentrate particles into belts or layers,

Atmosphere Vocab, Part 3

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