Dr. Svalgaard is not impressed.
Reduced Energy from the Sun Might Occur by Mid-century; Now Scientists Know by How Much
UC San Diego scientists review satellite observations of nearby Sun-like stars to estimate the strength of the next “grand minimum” period of diminished UV radiation
The Sun might emit less radiation by mid-century, giving planet Earth a chance to warm a bit more slowly but not halt the trend of human-induced climate change.
The cool-down would be the result of what scientists call a grand minimum, a periodic event during which the Sun’s magnetism diminishes, sunspots form infrequently, and less ultraviolet radiation makes it to the surface of the planet. Scientists believe that the event is triggered at irregular intervals by random fluctuations related to the Sun’s magnetic field.
Scientists have used reconstructions based on geological and historical data to…
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