Photosphere.
What are the dark patches on the sun's surface called
the visible surface of the sun is called the photoshpere
The name of the sun's surface layer is called the chromosphere. The other layers of the sun is called photosphere and convection zone.
Its called the chromosphere.
Sun spots!
The photosphere.
A bright area on the surface of the sun is called a facula.
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.
The visible outside part of the Sun can be said to be its surface. But the Sun doesn't have a solid surface on which you might stand, if that's what you mean. The "surface" we see is called the "photosphere".
An area on the sun that is cooler is called a sunspot.
Earth, yes. Sun, no.
Dark spots that appear on the surface of the sun are called sunspots. They are areas of reduced temperature caused by interactions with the sun's magnetic field.