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7 Cards in this Set

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ionosphere
-550 km above earth's surface
-where radio waves bounce off
-aurora borealis
aurora borealis
-northern lights that enter ionosphere near north pole
-particles strike oxygen and nitrogen atmos causing the glowing lights
exosphere
-outermost layer
-where satillites (like tv and phone signals) travel
thermosphere
-no definite end
-hottest layer because it is the first layer to be hit by solar radiation
-converts solar radiation to heat
mesosphere
-50km to 80KM above earth's surface
-up to 90 degrees celcius
-protects us from being hit by meteoroids
stratosphere
-16km to 50km above Earth's surface
-has a layer of the ozone which absorbs sun's energy and converts it to heat
tropopause
where jetstream is located