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How does convection occur in stellar bodies?

Answer 1

Convection in stellar bodies like stars happens when hotter gases from the core move outwards and release (transfer) their energy whilst the cooler gases move back into the hotter core area.

The above explained phenomenon accounts directly to the heat radiation by stars.

Hot wind currents tend to go upwards as they weigh less (less density), while cool currents go downwards due to the lesser particles movement.

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Answer 2

Parker Albertson

In stellar bodies, convection is the process by which energy produced in the core of a star is transferred to the surface by hot gas moving due to the temperature differential between the core and the surface, which causes hotter, less dense gas to rise and denser, cooler gas to sink.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.