Sunspot AR3038, which went from 'big to enormous in 24 hours', has now grown further and is three times bigger than the Earth, Space.com reported. Astronomers are keen to see what sort of solar flare this sunspot will end up emitting, which has strayed away from predictions.
The exact cause of sunspots is unknown, but astronomers believe that electromagnetic flux concentration on the solar surface can cause a temporary disturbance to the convection processes. The result is a drop in temperature which makes the region relatively darker than its surroundings and is referred to as a sunspot.
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