%0 Journal Article %T SOLAR AND TERRESTRIAL RADIATION WITH MEASURING INSTRUMENTS OVERVIEW %A SOFIU VEHBI %A SERIFI VEIS %A ZAMIR DIKA %A NATASA MARKOVSKA %J Journal of Engineering Studies and Research %D 2011 %I Vasile Alecsandri University of Bacau %X The Earth receives more energy from the sun in one hour than human population uses in one year. Total solar energy absorbed in Earth's atmosphere, oceans and land is about 3.850.000 EJ per year. The amount of solar energy that reaches the surface is enormous, such that, in one year, it is two times greater than all Earth's non-renewable sources of energy. %K solar energy %K measuring instruments %K radiation %U http://pubs.ub.ro/dwnl.php?id=JESR201104V17S01A0016