These belts are formed like two nested doughnuts. Their sizes transform based upon photo voltaic action and, sometimes, on how we product them. A NASA supercomputer model reveals how greenhouse gases like carbon dioxide (CO2) – a critical driver of worldwide warming – fluctuate in Earth’s ambiance All year long. https://radiation-zone-of-the-sun08269.wikipublicity.com/6572684/scum_radiation_zone_options