It is because you are seeing hot gas rising and cool gas falling due to the convection that occurs beneath the surface of the sun.
The rock that churns deep beneath the Earth's surface is called "magma." It is a molten rock material that is located beneath the Earth's crust and can eventually rise to the surface as lava through volcanic eruptions.
churns is 3rd person singular present, plural of churn
The stomach churns food and then passes it to the small intestine.
The Southern part of the Nile river churns with cataracts.
death
my balls
I think it is the stomach
The stomach.
Milk was collected in milk 'churns'.
stomach walls
stomach churns up to 4 hrs
That would be the stomach, and possibly the intestines.