Solar energy reaches the earth at the rate of about 1 4 kW

Last updated: 6/7/2023

Solar energy reaches the earth at the rate of about 1 4 kW per square meter of surface perpen dicular to the direction of the sun Fig 1 15 By how much does the mass of the sun decrease per second owing to this energy loss The mean radius of the earth s orbit is 1 5 x 10 m Figure 1 15 1 4 kW m2 Solar radiation