Labels:text | screenshot OCR: Structure of the Atmosphere Exosphere (above 600 km) (373 miles) Thermosphere (up to 600 km) (373 miles) Mesosphere (up to 80 km) (50 miles) Strato sphere Ozone layer (up to 50 km) (absorbs UV rays (31 miles) from the Sun) Troposphere (10 to 20 km) (6.2 to 12.4 miles)