Earth's Magnetic Field

Causes Aurora Borealis (Northern Lights)

Upper part of the Thermosphere

Artificial Satellites orbit here

Lower part of thermosphere

Radio waves bounce back to Earth's surface

Ozone is made of 3 oxygen atoms

Protects the surface from Sun's UV rays

Humans are causing Ozone Depletion

Temps get up to 2,000 *C

Air molecules are 1 km apart

Coldest region of the atmosphere

Protects Earth from meteors

Contains most of the atmosphere's ozone

Where jets and manned balloons have gone

Most weather occurs here where we live

Layer with convection currents

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