A sunspot appeared on the sun, the size of which exceeds the size of the Earth four times. It's so big it can be seen with the naked eye, astronomers say, making sure you have the right eye protection equipment..

South Korean astronomer Bum-Suk Yom advises amateur astronomers to use eclipse glasses to block harmful ultraviolet and infrared radiation from the Sun..

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Important! You can't look at our star without eye protection. The sun's ultraviolet radiation can burn the retina and cause irreparable damage..

Experts are watching this sunspot, which has received the designation AR3310, as it turns towards the Earth.. It has already released a powerful flash when it was turned away from our planet.. Scientists estimate the probability that the spot will become the source of a class X outbreak, while still facing us, at 20%.

Such flashes can lead to radio outages, as well as cause powerful magnetic storms..

Recall that on May 23, a magnetic storm began on Earth, which, according to forecasts, will last for several days..