Page 5 - LAYERS OF ATMOSPHERE AND ITS IMPORTANCE

2. STRATOSPHERE :

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• •This is the second layer placed just
a b o v e t h e t r o p o s p h e r e w h i c h
above the troposphere which
c o n t a i n s t h e o z o n e l a y e r t h a t a b s o r b s
contains the ozone layer that absorbs
harmful ultraviolet (UV) rays from the
h a r mf u l u l t r a v i o l e t ( U V ) r a y s f r o m t h e
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• •It extends from a height of about 16
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km to 50 km above the earth surface.
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• •As we go up from the earth’s surface,
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the air becomes thinner. Hence, air in

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the stratosphere is thinner than that
t h e s t r a t o s p h e r e i s t h i n n e r t h a n t h a t
in the troposphere.
i n t h e t r o p o s p h e r e .
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• •This is the layer where the
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aeroplanes fly and is also home to
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most of the clouds.
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