Original: For example , the radiation of the Sun at the Earth has a power flux density of 1,370 W/m2 , so the radiation pressure is 4.6 µPa ( absorbed ) ( see also Climate model ) .
Simplified: For example , the radiation of the Sun at the Earth has an energy flux density of 1370 W/m2 , so the radiation pressure is 4.6 µPa ( absorbed ) .