Sources:
National Oceanic and Atmospheric Association: National Centers for Environmental Information, NOAA NCEI: Global Land and Ocean Temperature Anomalies
National Aeronautics And Space Administration (NASA): The Sunspot Cycle
Sources:
National Oceanic and Atmospheric Association: National Centers for Environmental Information, NOAA NCEI: Global Land and Ocean Temperature Anomalies
National Aeronautics And Space Administration (NASA): The Sunspot Cycle