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.
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.
Churns the food?
death
my balls
I think it is the stomach
Milk was collected in milk 'churns'.
The stomach.
A butter churn today is typically referred to as an electric butter maker or butter machine. These devices are designed to automate the process of churning cream into butter.
The muscular sac that grinds and churns food into liquid chime is called the gizzard. This organ is extremely important during digestion.
Out at sea, a hurricane churns just the surface of the ocean. Fish that live near the surface do feel a little turbulence, but research suggests that they may avoid the washing-machine motion by swimming a little deeper. In general, a hurricane is no big deal for a fish out at sea