Sunspot forming on the Sun as NASA satellites see 'spray' of plasma

Solar storm: NASA captures the moment a sunspot 'explodes'

NASA satellites have observed a sunspot forming as an arch of plasma appeared. Sunspots are dark patches on the Sun which are typically cooler than the rest of the star.

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When experts say they are 'cooler', the average temperature of a sunspot still exceeds 3,500 degrees Celsius - although this is a drop from the average Sun surface of 5,500C.

They are typically cooler as sunspots are areas of strong magnetic fields.

The magnetism is so strong that it actually keeps some of the heat from escaping.

However, as the magnetic field builds, it increases pressure in the sunspot which can erupt as a solar flare.

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Sunspot forming on the Sun as NASA satellites see 'spray' of plasmaSunspot forming on the Sun as NASA satellites see 'spray' of plasma (Image: NASA)

sunspotAn example of a sunspot (Image: GETTY)

Solar flares then spew a huge burst of solar particles into the surrounding space.

Some of these solar flare ejections can collide with Earth - and experts believe the newest sunspot may be turning towards our planet.

The sunspot is forming on the southeast of the Sun - relative to Earth's perspective - following a spray of plasma, of which the movement produces strong magnetic fields.

However, as Earth travels around the Sun, it could fall in line with the sunspot which could eject particles towards Earth.

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