Sun may become cooler by 2050, scientists claimed and it could result in a mini ice age. By looking 20 years of observations and collected data, scientists have warned that in the next 30 years, the sun will be nearly seven percent cooler and dimmer.
The University of California, San Diego’s scientists have calculated the time for suns 11-year solar cycle and predicted the next “grand-minimum” is just decades away which will leave us in a mini ice age condition.
According to the study, a grand-minimum is period of least solar activity in the 11 year solar cycle of the sun, which will lead to lower temperature on earth.
The sun moves through an 11-year-cycle of active and quiet periods, called as the solar maximum and solar minimum. The researchers believe that they figured out when the next solar minimum could occur.
During a solar minimum, sunspot and solar flare activity diminishes and less ultraviolet radiation makes it to the surface of the planet.
By scientists’ estimates, the grand minimum could cool the Earth by 0 .25 percent. As a result, the cooling will be up to several tenths of a degree centigrade which is not enough to reverse the global warming’s effect.
The study notes, “That thinning of the stratospheric ozone layer, in turn, changes the temperature structure of the stratosphere, which then changes the dynamics of the lower atmosphere, especially wind and weather patterns.”
Scientists explained that the cooling effect of a grand minimum could slow down the effects of global warming but will not stop it.