Sun Kuroko: What are they?Why happen?

The sun sunspots are the windows we entered the complex inner in the sun.[Sun suns...

The outbreak of the sun's spots is becoming more and more frequent. Does it affect us?The influence is quite big

The sun spots occur on a common celestial activity on the solar ball.The outbreak ...

The huge sun sunspot has doubled within 24 hours, and it is pointing to the earth

The earth will stay in the cross line of the sun for several days.Two huge sunspot...