Up to 10miles

1
Thermosphere Ionosphere
Up to 500 miles
Stratosphere
Troposphere
Mesosphere
50 180 miles
500 miles thick
Ozone layer Absorb ultraviolet radiation from
the Sun and protect us from its harmful effects
Coldest part of the atmosphere

• Nitrogen, oxygen, carbon-dioxide, ozone,
• other gases help to retain heat

Space Temp. - 450F
Atmosphere hydrogen
30 50 miles
Ultraviolet radiation
10 30 miles
Up to 10miles
Sun's magnetic field
Temp 2000F