The energy received by the earth is known as incoming solar radiation which in short is termed as insolation.

The atmosphere gets heated in the following ways:

1. Radiation
2. Conduction
3. Convection
 4. Advection

The temperature distribution is generally shown on the map with the help of isotherms. The Isotherms are lines joining places having equal temperature. 

1/2000 millionth part of the total energy radiated by the sun is intercepted by the earth.