Prediction: Low sun activity 2030-2040 will usher in new ‘little ice age’

Prediction: Low sun activity 2030-2040 will usher in new ‘little ice age’
The face of solar sloth. (Image: NASA SDO via Vencore Weather)

A new model has allowed experts to predict solar activity with more accuracy than ever before and it suggests that magnetic activity will fall by 60 per cent between 2030 and 2040.

The model looks at the Sun’s ’11-year heartbeat’ – the period it takes for magnetic activity to fluctuate. This cycle was first discovered some 173 years ago.

However, a mathematician has established a more up-to-date model that can forecast what the solar cycles will look like based upon dynamo effects in two layers of the Sun.

Dynamo effects are a geophysical theory that dictate how the movement of the Earth’s outer core conducts materials like liquid iron across the magnetic field to create an electric current – this also influences fluid motion beneath Earth’s surface to create two magnetic fields along the axis of the Earth’s rotation.

Valentina Zharkova from Northumbria University applied this theory to the Sun, and was able to predict the affects of solar cycles with 97 per cent accuracy.

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