Solar radiation research focuses on studying the amount of energy and heat that the Earth receives from the sun. This includes the measurement of solar radiation, the impact of solar radiation on climate, weather patterns, and ecosystems, as well as the development of technologies to harness solar energy for various applications such as electricity generation or heating. Researchers in this field use a variety of instruments and techniques to monitor and analyze solar radiation levels and its effects on the environment. The ultimate goal of solar radiation research is to better understand and utilize this abundant source of renewable energy to mitigate climate change and create a sustainable future.