The 120,000km black stain appears on the Sun.

The giant black mark on the Sun's surface can be seen from the Earth and threatens the Sun's dangerous danger to the planet.

The Solar Dynamics Observatory (SDO) satellite of the NASA Aerospace Agency (NASA) detected the Sunspot AR2665, 120,000 kilometers, last week, according to Sun. The black stain is large enough to observe clearly from the Earth and spin directly towards the planet. It can generate M-level solar flares, causing radio signal loss on Earth, to interrupt satellite communications.

Sunspot tends to appear in areas with strong magnetic activity.

Sunspot is the darker, colder areas of the Sun's surface, the result of interactions with surrounding magnetic fields. They tend to appear in areas with strong magnetic activity. Black spots are also a place of dangerous storms and sun damage . This type of storm can create aurora on Earth, causing damage to the grid and power outages in many places.

"A new cluster of sunspots is in the SDO satellite's view and appears to be growing rapidly. This is the first black mark to appear after two days of the Sun without any black spots. It could be the source. emitting some sun glare, but it is too early to predict its effect , " NASA said.

Compare the Sunspot to Earth size (dark blue dots).(Video: NASA).