Sunspots. They are only "cool" relative to the rest of the Sun.
They are transitory.
The dark spots on the surface of the sun are sunspots. They are caused by intense magnetic activity which stops convection and causes a relatively cool spot.
The dark spots on the surface of the sun are sunspots. They are caused by intense magnetic activity which stops convection and causes a relatively cool spot.
Sunspots.
No. That spot is light and it is day.
A "sunspot."
Yes I have seen a dark spot on the Sun. It is called a "Sunspot". It is formed on the Sun's surface which is called the "photo-sphere" and is caused by a loop of the Sun's magnetic field poking though the Sun's surface.
a sunspot
He looked at the sun and observed dark blemishes on its surface, which are now called sunspots. From the movement of these, he was able to determine that the sun has a rotation period of about one month.
The cooler dark spots on the sun are called sunspots.
to see in the dark but if you mean the sun it is to cool the earth
The darkest part, where the magnetic field is approximately vertical to the sun's surface is called the Umbra.